Wind Cave Roads & Bridges, Hot Springs, Fall River County, SD
Significance: The Wind Cave National Park road system reflects the combined efforts of the National Park Service, the South Dakota State Highway Commission, and the Bureau of Public Roads to provide vehicular a... More
Wind Cave Roads & Bridges, Hot Springs, Fall River County, SD
Significance: The Wind Cave National Park road system reflects the combined efforts of the National Park Service, the South Dakota State Highway Commission, and the Bureau of Public Roads to provide vehicular a... More
Rustic Bridge, NPS Route No. 13 spanning Crum Elbow Creek, Hyde Park, ...
Significance: The Rustic Bridge is an example of the Melan arch system of concrete construction, and as such is an example of the reinforced-concrete bridge systems introduced in the U.S. in the late nineteenth... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Wind Cave Roads & Bridges, Hot Springs, Fall River County, SD
Significance: The Wind Cave National Park road system reflects the combined efforts of the National Park Service, the South Dakota State Highway Commission, and the Bureau of Public Roads to provide vehicular a... More
Wind Cave Roads & Bridges, Hot Springs, Fall River County, SD
Significance: The Wind Cave National Park road system reflects the combined efforts of the National Park Service, the South Dakota State Highway Commission, and the Bureau of Public Roads to provide vehicular a... More
Wind Cave Roads & Bridges, Hot Springs, Fall River County, SD
Significance: The Wind Cave National Park road system reflects the combined efforts of the National Park Service, the South Dakota State Highway Commission, and the Bureau of Public Roads to provide vehicular a... More
Wind Cave Roads & Bridges, Hot Springs, Fall River County, SD
Significance: The Wind Cave National Park road system reflects the combined efforts of the National Park Service, the South Dakota State Highway Commission, and the Bureau of Public Roads to provide vehicular a... More
White Bridge, Spanning Crum Elbow Creek, Hyde Park, Dutchess County, N...
Significance: The White Bridge is one of the first Melan arch bridges built in the United States, and as such is an example of one of the first reinforced-concrete bridge systems introduced in the U.S. in the l... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Wind Cave Roads & Bridges, Hot Springs, Fall River County, SD
Significance: The Wind Cave National Park road system reflects the combined efforts of the National Park Service, the South Dakota State Highway Commission, and the Bureau of Public Roads to provide vehicular a... More
Beaver Creek Bridge, Hot Springs, Fall River County, SD
Significance: Beaver Creek Bridge was an important link in a scenic road system developed by the South Dakota State Highway Commission to facilitate motor tourism in the Black Hills. Although typical of concre... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Dock Street Bridge, Spanning Crum Elbow Creek, Hyde Park, Dutchess Cou...
Significance: At Vanderbilt Mansion, Frederick Vanderbilt created a country estate with a picturesque carriage drive system and bridges that both complemented and heightened the beauty of the natural landscape.... More
Wind Cave Roads & Bridges, Hot Springs, Fall River County, SD
Significance: The Wind Cave National Park road system reflects the combined efforts of the National Park Service, the South Dakota State Highway Commission, and the Bureau of Public Roads to provide vehicular a... More
Wind Cave Roads & Bridges, Hot Springs, Fall River County, SD
Significance: The Wind Cave National Park road system reflects the combined efforts of the National Park Service, the South Dakota State Highway Commission, and the Bureau of Public Roads to provide vehicular a... More
Wind Cave Roads & Bridges, Hot Springs, Fall River County, SD
Significance: The Wind Cave National Park road system reflects the combined efforts of the National Park Service, the South Dakota State Highway Commission, and the Bureau of Public Roads to provide vehicular a... More
Wind Cave Roads & Bridges, Hot Springs, Fall River County, SD
Significance: The Wind Cave National Park road system reflects the combined efforts of the National Park Service, the South Dakota State Highway Commission, and the Bureau of Public Roads to provide vehicular a... More
Wind Cave Roads & Bridges, Hot Springs, Fall River County, SD
Significance: The Wind Cave National Park road system reflects the combined efforts of the National Park Service, the South Dakota State Highway Commission, and the Bureau of Public Roads to provide vehicular a... More
Rustic Bridge, NPS Route No. 13 spanning Crum Elbow Creek, Hyde Park, ...
Significance: The Rustic Bridge is an example of the Melan arch system of concrete construction, and as such is an example of the reinforced-concrete bridge systems introduced in the U.S. in the late nineteenth... More
Bard Rock Bridge, Spanning New York Central Railroad tracks, Hyde Park...
Significance: At Vanderbilt Mansion, Frederick Vanderbilt created a country estate with a picturesque carriage drive system and bridges that complemented and heightened the beauty of the natural landscape. One... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Dock Street Bridge, Spanning Crum Elbow Creek, Hyde Park, Dutchess Cou...
Significance: At Vanderbilt Mansion, Frederick Vanderbilt created a country estate with a picturesque carriage drive system and bridges that both complemented and heightened the beauty of the natural landscape.... More
Wind Cave Roads & Bridges, Hot Springs, Fall River County, SD
Significance: The Wind Cave National Park road system reflects the combined efforts of the National Park Service, the South Dakota State Highway Commission, and the Bureau of Public Roads to provide vehicular a... More
Wind Cave Roads & Bridges, Hot Springs, Fall River County, SD
Significance: The Wind Cave National Park road system reflects the combined efforts of the National Park Service, the South Dakota State Highway Commission, and the Bureau of Public Roads to provide vehicular a... More
White Bridge, Spanning Crum Elbow Creek, Hyde Park, Dutchess County, N...
Significance: The White Bridge is one of the first Melan arch bridges built in the United States, and as such is an example of one of the first reinforced-concrete bridge systems introduced in the U.S. in the l... More
White Bridge, Spanning Crum Elbow Creek, Hyde Park, Dutchess County, N...
Significance: The White Bridge is one of the first Melan arch bridges built in the United States, and as such is an example of one of the first reinforced-concrete bridge systems introduced in the U.S. in the l... More
Beaver Creek Bridge, Hot Springs, Fall River County, SD
Significance: Beaver Creek Bridge was an important link in a scenic road system developed by the South Dakota State Highway Commission to facilitate motor tourism in the Black Hills. Although typical of concre... More
Bard Rock Bridge, Spanning New York Central Railroad tracks, Hyde Park...
Significance: At Vanderbilt Mansion, Frederick Vanderbilt created a country estate with a picturesque carriage drive system and bridges that complemented and heightened the beauty of the natural landscape. One... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Wind Cave Roads & Bridges, Hot Springs, Fall River County, SD
Significance: The Wind Cave National Park road system reflects the combined efforts of the National Park Service, the South Dakota State Highway Commission, and the Bureau of Public Roads to provide vehicular a... More
Wind Cave Roads & Bridges, Hot Springs, Fall River County, SD
Significance: The Wind Cave National Park road system reflects the combined efforts of the National Park Service, the South Dakota State Highway Commission, and the Bureau of Public Roads to provide vehicular a... More
Wind Cave Roads & Bridges, Hot Springs, Fall River County, SD
Significance: The Wind Cave National Park road system reflects the combined efforts of the National Park Service, the South Dakota State Highway Commission, and the Bureau of Public Roads to provide vehicular a... More
Wind Cave Roads & Bridges, Hot Springs, Fall River County, SD
Significance: The Wind Cave National Park road system reflects the combined efforts of the National Park Service, the South Dakota State Highway Commission, and the Bureau of Public Roads to provide vehicular a... More
Wind Cave Roads & Bridges, Hot Springs, Fall River County, SD
Significance: The Wind Cave National Park road system reflects the combined efforts of the National Park Service, the South Dakota State Highway Commission, and the Bureau of Public Roads to provide vehicular a... More
Beaver Creek Bridge, Hot Springs, Fall River County, SD
Significance: Beaver Creek Bridge was an important link in a scenic road system developed by the South Dakota State Highway Commission to facilitate motor tourism in the Black Hills. Although typical of concre... More
Beaver Creek Bridge, Hot Springs, Fall River County, SD
Significance: Beaver Creek Bridge was an important link in a scenic road system developed by the South Dakota State Highway Commission to facilitate motor tourism in the Black Hills. Although typical of concre... More
Great Smoky Mountains National Park Roads & Bridges, Heintooga Round B...
Significance: The transportation system of the Great Smoky Mountains National Park is representative of NPS park road design and landscape planning throughout the country. Much of the construction, including t... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Wind Cave Roads & Bridges, Hot Springs, Fall River County, SD
Significance: The Wind Cave National Park road system reflects the combined efforts of the National Park Service, the South Dakota State Highway Commission, and the Bureau of Public Roads to provide vehicular a... More
Wind Cave Roads & Bridges, Hot Springs, Fall River County, SD
Significance: The Wind Cave National Park road system reflects the combined efforts of the National Park Service, the South Dakota State Highway Commission, and the Bureau of Public Roads to provide vehicular a... More
Wind Cave Roads & Bridges, Hot Springs, Fall River County, SD
Significance: The Wind Cave National Park road system reflects the combined efforts of the National Park Service, the South Dakota State Highway Commission, and the Bureau of Public Roads to provide vehicular a... More
Wind Cave Roads & Bridges, Hot Springs, Fall River County, SD
Significance: The Wind Cave National Park road system reflects the combined efforts of the National Park Service, the South Dakota State Highway Commission, and the Bureau of Public Roads to provide vehicular a... More
Wind Cave Roads & Bridges, Hot Springs, Fall River County, SD
Significance: The Wind Cave National Park road system reflects the combined efforts of the National Park Service, the South Dakota State Highway Commission, and the Bureau of Public Roads to provide vehicular a... More
Wind Cave Roads & Bridges, Hot Springs, Fall River County, SD
Significance: The Wind Cave National Park road system reflects the combined efforts of the National Park Service, the South Dakota State Highway Commission, and the Bureau of Public Roads to provide vehicular a... More
White Bridge, Spanning Crum Elbow Creek, Hyde Park, Dutchess County, N...
Significance: The White Bridge is one of the first Melan arch bridges built in the United States, and as such is an example of one of the first reinforced-concrete bridge systems introduced in the U.S. in the l... More
Great Smoky Mountains National Park Roads & Bridges, Heintooga Round B...
Significance: The transportation system of the Great Smoky Mountains National Park is representative of NPS park road design and landscape planning throughout the country. Much of the construction, including t... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More
Bronx River Parkway Reservation, The Bronx to Kensico Dam, White Plain...
Significance: The Bronx River Parkway Reservation was the first public parkway designed explicitly for automobile use. The project began as an environmental restoration and park development initiative that aim... More