Snyder Creek Culvert, Spanning Snyder Creek at Going-to-the-Sun Road, ...
Significance: The Snyder Creek Culvert is one of approximately seventeen prominent masonry and concrete structures on Going-to-the-Sun Road in Glacier National Park. The 51-mile stretch of scenic road is signi... More
Baltimore-Washington Parkway, Greenbelt, Prince George's County, MD
Significance: The federal section of the Baltimore-Washington Parkway was constructed to provide a dignified entrance to the nation's capital. The parkway also provided a new traffic artery that relieved conge... More
Hana Belt Road, Between Haiku and Kaipahulu, Hana, Maui County, HI
Public domain photograph - historical image of Hawaii, United States, free to use, no copyright restrictions image - Picryl description
Hana Belt Road, Between Haiku and Kaipahulu, Hana, Maui County, HI
Public domain photograph - historical image of Hawaii, United States, free to use, no copyright restrictions image - Picryl description
Hana Belt Road, Between Haiku and Kaipahulu, Hana, Maui County, HI
Public domain photograph - historical image of Hawaii, United States, free to use, no copyright restrictions image - Picryl description
Hana Belt Road, Between Haiku and Kaipahulu, Hana, Maui County, HI
Picryl description: Public domain image of a bridge, water, historic structure, free to use, no copyright restrictions.
Hana Belt Road, Between Haiku and Kaipahulu, Hana, Maui County, HI
Picryl description: Public domain image of an arch bridge, stone architecture, free to use, no copyright restrictions.
Hana Belt Road, Between Haiku and Kaipahulu, Hana, Maui County, HI
Public domain photograph - historical image of Hawaii, United States, free to use, no copyright restrictions image - Picryl description
Hana Belt Road, Between Haiku and Kaipahulu, Hana, Maui County, HI
Public domain photograph - historical image of Hawaii, United States, free to use, no copyright restrictions image - Picryl description
Hana Belt Road, Between Haiku and Kaipahulu, Hana, Maui County, HI
Public domain photograph - historical image of Hawaii, United States, free to use, no copyright restrictions image - Picryl description
Hana Belt Road, Between Haiku and Kaipahulu, Hana, Maui County, HI
Public domain photograph - historical image of Hawaii, United States, free to use, no copyright restrictions image - Picryl description
Hana Belt Road, Between Haiku and Kaipahulu, Hana, Maui County, HI
Public domain photograph - historical image of Hawaii, United States, free to use, no copyright restrictions image - Picryl description
Hana Belt Road, Between Haiku and Kaipahulu, Hana, Maui County, HI
Picryl description: Public domain image of a bridge over a water stream, free to use, no copyright restrictions.
Grand Canyon National Park Roads, Village Loop Headwall No. 2, Grand C...
Significance: This headwall is representative of rustic style road structures constructed by the Civilian Conservation Corps and other depression-era public works agencies within the western national parks duri... More
Shiloh National Military Park Tour Roads, Shiloh, Hardin County, TN
Significance: Shiloh National Military Park is one of the earliest national battlefield parks. The 3,972 acre park is located in rural Hardin County in southwestern Tennessee. It was established in 1894, makin... More
Shiloh National Military Park Tour Roads, Shiloh, Hardin County, TN
Significance: Shiloh National Military Park is one of the earliest national battlefield parks. The 3,972 acre park is located in rural Hardin County in southwestern Tennessee. It was established in 1894, makin... More
Shiloh National Military Park Tour Roads, Shiloh, Hardin County, TN
Significance: Shiloh National Military Park is one of the earliest national battlefield parks. The 3,972 acre park is located in rural Hardin County in southwestern Tennessee. It was established in 1894, makin... More
Shiloh National Military Park Tour Roads, Shiloh, Hardin County, TN
Significance: Shiloh National Military Park is one of the earliest national battlefield parks. The 3,972 acre park is located in rural Hardin County in southwestern Tennessee. It was established in 1894, makin... More
Zion-Mount Carmel Highway, Virgin River Bridge, Spanning North Fork of...
Significance: Although partially reconstructed in 1960, the Virgin River Bridge retains its structural integrity. Attractive and well-executed, the bridge is a three-span, 'I' beam structure, which was skillfu... More
Zion-Mount Carmel Highway, Virgin River Bridge, Spanning North Fork of...
Significance: Although partially reconstructed in 1960, the Virgin River Bridge retains its structural integrity. Attractive and well-executed, the bridge is a three-span, 'I' beam structure, which was skillfu... More
Happy Isles Bridge, Spanning Merced River on Service road, Yosemite Vi...
part of Yosemite National Park Roads and Bridges Recording Project, 1991; see HAER No. CA-117 for overview Significance: The Happy Isles Bridge exemplifies the National Park Service "rustic style" of architectu... More
Grand Canyon National Park Roads, Village Loop Headwall No. 1, Southea...
Significance: This headwall is representative of rustic style road structures constructed by the Civilian Conservation Corps and other depression-era public works agencies within the western national parks duri... More
Vicksburg National Military Park Roads & Bridges, Vicksburg, Warren Co...
Significance: The Vicksburg National Military Park tour roads provide access to areas of interest in the park, which commemorates and interprets the siege and defense of Vicksburg in 1863 during the Civil War. ... More
Vicksburg National Military Park Roads & Bridges, Vicksburg, Warren Co...
Significance: The Vicksburg National Military Park tour roads provide access to areas of interest in the park, which commemorates and interprets the siege and defense of Vicksburg in 1863 during the Civil War. ... More
Vicksburg National Military Park Roads & Bridges, Vicksburg, Warren Co...
Significance: The Vicksburg National Military Park tour roads provide access to areas of interest in the park, which commemorates and interprets the siege and defense of Vicksburg in 1863 during the Civil War. ... More
Vicksburg National Military Park Roads & Bridges, Vicksburg, Warren Co...
Significance: The Vicksburg National Military Park tour roads provide access to areas of interest in the park, which commemorates and interprets the siege and defense of Vicksburg in 1863 during the Civil War. ... More
Vicksburg National Military Park Roads & Bridges, Vicksburg, Warren Co...
Significance: The Vicksburg National Military Park tour roads provide access to areas of interest in the park, which commemorates and interprets the siege and defense of Vicksburg in 1863 during the Civil War. ... More
Vicksburg National Military Park Roads & Bridges, Melan Arch Bridges, ...
Significance: The nine Melan arch viaducts on Union Avenue were an integral part of the overall tour route through Vicksburg National Military Park, providing visitors safe and easy access to points of interest... More
Vicksburg National Military Park Roads & Bridges, Melan Arch Bridges, ...
Significance: The nine Melan arch viaducts on Union Avenue were an integral part of the overall tour route through Vicksburg National Military Park, providing visitors safe and easy access to points of interest... More
Vicksburg National Military Park Roads & Bridges, Melan Arch Bridges, ...
Significance: The nine Melan arch viaducts on Union Avenue were an integral part of the overall tour route through Vicksburg National Military Park, providing visitors safe and easy access to points of interest... More
Grand Canyon National Park Roads, Apache Street Headwall No. 1, Northw...
Public domain photograph of public works, FDR administration, New Deal, Great Depression, no copyright restrictions image - Picryl description
Delaware & Raritan Canal, Ten Mile Run Culvert, 1.5 miles South of Bla...
Significance: The Ten Mile Run Culvert is an integral part of the Delaware & Raritan Canal's (hereafter D&R Canal) early nineteenth-century engineering design. The culvert's original construction remains large... More
Western Maryland Railway, Cumberland Extension, Pearre to North Branch...
Significance: The westward expansion of the Western Maryland Railway, beginning with the Cumberland Extension, was one of the last new mainlines constructed during the U.S. railroads' period of extensive growth... More
Western Maryland Railway, Cumberland Extension, Pearre to North Branch...
Significance: The westward expansion of the Western Maryland Railway, beginning with the Cumberland Extension, was one of the last new mainlines constructed during the U.S. railroads' period of extensive growth... More
Western Maryland Railway, Cumberland Extension, Pearre to North Branch...
Significance: The westward expansion of the Western Maryland Railway, beginning with the Cumberland Extension, was one of the last new mainlines constructed during the U.S. railroads' period of extensive growth... More
Western Maryland Railway, Cumberland Extension, Pearre to North Branch...
Significance: The westward expansion of the Western Maryland Railway, beginning with the Cumberland Extension, was one of the last new mainlines constructed during the U.S. railroads' period of extensive growth... More
Western Maryland Railway, Cumberland Extension, Pearre to North Branch...
Significance: The westward expansion of the Western Maryland Railway, beginning with the Cumberland Extension, was one of the last new mainlines constructed during the U.S. railroads' period of extensive growth... More
Western Maryland Railway, Cumberland Extension, Pearre to North Branch...
Significance: The westward expansion of the Western Maryland Railway, beginning with the Cumberland Extension, was one of the last new mainlines constructed during the U.S. railroads' period of extensive growth... More
Western Maryland Railway, Cumberland Extension, Pearre to North Branch...
Significance: The westward expansion of the Western Maryland Railway, beginning with the Cumberland Extension, was one of the last new mainlines constructed during the U.S. railroads' period of extensive growth... More
Western Maryland Railway, Cumberland Extension, Pearre to North Branch...
Significance: The westward expansion of the Western Maryland Railway, beginning with the Cumberland Extension, was one of the last new mainlines constructed during the U.S. railroads' period of extensive growth... More
Great Smoky Mountains National Park Roads & Bridges, Little River Road...
Significance: Little River Road is an extremely prominent thoroughfare in Great Smoky Mountains National Park, second only to Newfound Gap Road. The transportation system in this park is representative of NPS ... More
Great Smoky Mountains National Park Roads & Bridges, Little River Road...
Significance: Little River Road is an extremely prominent thoroughfare in Great Smoky Mountains National Park, second only to Newfound Gap Road. The transportation system in this park is representative of NPS ... More
Great Smoky Mountains National Park Roads & Bridges, Little River Road...
Significance: Little River Road is an extremely prominent thoroughfare in Great Smoky Mountains National Park, second only to Newfound Gap Road. The transportation system in this park is representative of NPS ... More
Great Smoky Mountains National Park Roads & Bridges, Little River Road...
Significance: Little River Road is an extremely prominent thoroughfare in Great Smoky Mountains National Park, second only to Newfound Gap Road. The transportation system in this park is representative of NPS ... More
Marsh-Billings-Rockefeller Carriage Roads, Woodstock, Windsor County, ...
Significance: The result of Frederick Billings's efforts was a network of carriage roads giving access to the estate for utilitarian purposes, as well as providing a pleasurable encounter with the landscape. T... More
Marsh-Billings-Rockefeller Carriage Roads, Woodstock, Windsor County, ...
Significance: The result of Frederick Billings's efforts was a network of carriage roads giving access to the estate for utilitarian purposes, as well as providing a pleasurable encounter with the landscape. T... More
Marsh-Billings-Rockefeller Carriage Roads, Woodstock, Windsor County, ...
Significance: The result of Frederick Billings's efforts was a network of carriage roads giving access to the estate for utilitarian purposes, as well as providing a pleasurable encounter with the landscape. T... More
Great Smoky Mountains National Park Roads & Bridges, Newfound Gap Road...
Significance: Newfound Gap Road is the central transportation artery in Great Smoky Mountains National Park. It is the only road to cross the park from north to south, connecting the two major entrances at Gat... More
Great Smoky Mountains National Park Roads & Bridges, Newfound Gap Road...
Significance: Newfound Gap Road is the central transportation artery in Great Smoky Mountains National Park. It is the only road to cross the park from north to south, connecting the two major entrances at Gat... More
Blue Ridge Parkway, Between Shenandoah National Park & Great Smoky Mou...
Public domain photograph of public works, FDR administration, New Deal, Great Depression, no copyright restrictions image - Picryl description
Blue Ridge Parkway, Between Shenandoah National Park & Great Smoky Mou...
Public domain photograph of public works, FDR administration, New Deal, Great Depression, no copyright restrictions image - Picryl description
Blue Ridge Parkway, Between Shenandoah National Park & Great Smoky Mou...
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Blue Ridge Parkway, Between Shenandoah National Park & Great Smoky Mou...
Public domain photograph of public works, FDR administration, New Deal, Great Depression, no copyright restrictions image - Picryl description
Blue Ridge Parkway, Between Shenandoah National Park & Great Smoky Mou...
Public domain photograph of public works, FDR administration, New Deal, Great Depression, no copyright restrictions image - Picryl description
Blue Ridge Parkway, Between Shenandoah National Park & Great Smoky Mou...
Picryl description: Public domain image of an arch bridge, stone structure, architecture, free to use, no copyright restrictions.
Blue Ridge Parkway, Between Shenandoah National Park & Great Smoky Mou...
Public domain photograph of public works, FDR administration, New Deal, Great Depression, no copyright restrictions image - Picryl description
Blue Ridge Parkway, Between Shenandoah National Park & Great Smoky Mou...
Picryl description: Public domain vintage artistic photograph, free to use, no copyright restrictions image.
Blue Ridge Parkway, Between Shenandoah National Park & Great Smoky Mou...
Picryl description: Public domain image of an arch bridge, stone architecture, free to use, no copyright restrictions.
Blue Ridge Parkway, Between Shenandoah National Park & Great Smoky Mou...
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Blue Ridge Parkway, Between Shenandoah National Park & Great Smoky Mou...
Public domain photograph of public works, FDR administration, New Deal, Great Depression, no copyright restrictions image - Picryl description
Blue Ridge Parkway, Between Shenandoah National Park & Great Smoky Mou...
Public domain photograph of a mountain pass, mountains, nature, mountain range, view, landscape, rocks, free to use, no copyright restrictions - Picryl description
Blue Ridge Parkway, Between Shenandoah National Park & Great Smoky Mou...
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Blue Ridge Parkway, Between Shenandoah National Park & Great Smoky Mou...
Public domain photograph of public works, FDR administration, New Deal, Great Depression, no copyright restrictions image - Picryl description
Great Smoky Mountains National Park Roads & Bridges, Cades Cove Road &...
Significance: The transportation system of Great Smoky Mountains National Park is representative of NPS park road design and landscape planning throughout the country. Much of the conservation work was underta... More
Great Smoky Mountains National Park Roads & Bridges, Cades Cove Road &...
Significance: The transportation system of Great Smoky Mountains National Park is representative of NPS park road design and landscape planning throughout the country. Much of the conservation work was underta... More
Hana Belt Road, Between Haiku and Kaipahulu, Hana, Maui County, HI
Public domain photograph - historical image of Hawaii, United States, free to use, no copyright restrictions image - Picryl description
Hana Belt Road, Between Haiku and Kaipahulu, Hana, Maui County, HI
Public domain photograph - historical image of Hawaii, United States, free to use, no copyright restrictions image - Picryl description
Hana Belt Road, Between Haiku and Kaipahulu, Hana, Maui County, HI
Public domain photograph - historical image of Hawaii, United States, free to use, no copyright restrictions image - Picryl description
Hana Belt Road, Between Haiku and Kaipahulu, Hana, Maui County, HI
Picryl description: Public domain image of field, irrigation, agriculture, water, free to use, no copyright restrictions.
Hana Belt Road, Between Haiku and Kaipahulu, Hana, Maui County, HI
Picryl description: Public domain image of a small bridge over water, woods, historic structure, free to use, no copyright restrictions.
Hana Belt Road, Between Haiku and Kaipahulu, Hana, Maui County, HI
Picryl description: Public domain image of a bridge, railroad structure, train viaduct, free to use, no copyright restrictions.
Shiloh National Military Park Tour Roads, Shiloh, Hardin County, TN
Significance: Shiloh National Military Park is one of the earliest national battlefield parks. The 3,972 acre park is located in rural Hardin County in southwestern Tennessee. It was established in 1894, makin... More
Shiloh National Military Park Tour Roads, Shiloh, Hardin County, TN
Significance: Shiloh National Military Park is one of the earliest national battlefield parks. The 3,972 acre park is located in rural Hardin County in southwestern Tennessee. It was established in 1894, makin... More
Shiloh National Military Park Tour Roads, Shiloh, Hardin County, TN
Significance: Shiloh National Military Park is one of the earliest national battlefield parks. The 3,972 acre park is located in rural Hardin County in southwestern Tennessee. It was established in 1894, makin... More
Zion-Mount Carmel Highway, Virgin River Bridge, Spanning North Fork of...
Significance: Although partially reconstructed in 1960, the Virgin River Bridge retains its structural integrity. Attractive and well-executed, the bridge is a three-span, 'I' beam structure, which was skillfu... More
Grant Road Bridge, Spanning Broad Branch Creek on Grant Road, Washingt...
Significance: Grant Road Bridge is one of the earliest bridges located in Rock Creek Park. Built during the late nineteenth century, the bridge may have been one of the first built with appropriations for the ... More
Vicksburg National Military Park Roads & Bridges, Vicksburg, Warren Co...
Significance: The Vicksburg National Military Park tour roads provide access to areas of interest in the park, which commemorates and interprets the siege and defense of Vicksburg in 1863 during the Civil War. ... More
Vicksburg National Military Park Roads & Bridges, Vicksburg, Warren Co...
Significance: The Vicksburg National Military Park tour roads provide access to areas of interest in the park, which commemorates and interprets the siege and defense of Vicksburg in 1863 during the Civil War. ... More
Vicksburg National Military Park Roads & Bridges, Vicksburg, Warren Co...
Significance: The Vicksburg National Military Park tour roads provide access to areas of interest in the park, which commemorates and interprets the siege and defense of Vicksburg in 1863 during the Civil War. ... More
Vicksburg National Military Park Roads & Bridges, Melan Arch Bridges, ...
Significance: The nine Melan arch viaducts on Union Avenue were an integral part of the overall tour route through Vicksburg National Military Park, providing visitors safe and easy access to points of interest... More
Delaware & Raritan Canal, Ten Mile Run Culvert, 1.5 miles South of Bla...
Significance: The Ten Mile Run Culvert is an integral part of the Delaware & Raritan Canal's (hereafter D&R Canal) early nineteenth-century engineering design. The culvert's original construction remains large... More
Delaware & Raritan Canal, Ten Mile Run Culvert, 1.5 miles South of Bla...
Significance: The Ten Mile Run Culvert is an integral part of the Delaware & Raritan Canal's (hereafter D&R Canal) early nineteenth-century engineering design. The culvert's original construction remains large... More
Western Maryland Railway, Cumberland Extension, Pearre to North Branch...
Significance: The westward expansion of the Western Maryland Railway, beginning with the Cumberland Extension, was one of the last new mainlines constructed during the U.S. railroads' period of extensive growth... More
Western Maryland Railway, Cumberland Extension, Pearre to North Branch...
Significance: The westward expansion of the Western Maryland Railway, beginning with the Cumberland Extension, was one of the last new mainlines constructed during the U.S. railroads' period of extensive growth... More
Western Maryland Railway, Cumberland Extension, Pearre to North Branch...
Significance: The westward expansion of the Western Maryland Railway, beginning with the Cumberland Extension, was one of the last new mainlines constructed during the U.S. railroads' period of extensive growth... More
Western Maryland Railway, Cumberland Extension, Pearre to North Branch...
Significance: The westward expansion of the Western Maryland Railway, beginning with the Cumberland Extension, was one of the last new mainlines constructed during the U.S. railroads' period of extensive growth... More
Western Maryland Railway, Cumberland Extension, Pearre to North Branch...
Significance: The westward expansion of the Western Maryland Railway, beginning with the Cumberland Extension, was one of the last new mainlines constructed during the U.S. railroads' period of extensive growth... More
Western Maryland Railway, Cumberland Extension, Pearre to North Branch...
Significance: The westward expansion of the Western Maryland Railway, beginning with the Cumberland Extension, was one of the last new mainlines constructed during the U.S. railroads' period of extensive growth... More
Western Maryland Railway, Cumberland Extension, Pearre to North Branch...
Significance: The westward expansion of the Western Maryland Railway, beginning with the Cumberland Extension, was one of the last new mainlines constructed during the U.S. railroads' period of extensive growth... More
Western Maryland Railway, Cumberland Extension, Pearre to North Branch...
Significance: The westward expansion of the Western Maryland Railway, beginning with the Cumberland Extension, was one of the last new mainlines constructed during the U.S. railroads' period of extensive growth... More
Western Maryland Railway, Cumberland Extension, Pearre to North Branch...
Significance: The westward expansion of the Western Maryland Railway, beginning with the Cumberland Extension, was one of the last new mainlines constructed during the U.S. railroads' period of extensive growth... More
Western Maryland Railway, Cumberland Extension, Pearre to North Branch...
Significance: The westward expansion of the Western Maryland Railway, beginning with the Cumberland Extension, was one of the last new mainlines constructed during the U.S. railroads' period of extensive growth... More
Western Maryland Railway, Cumberland Extension, Pearre to North Branch...
Significance: The westward expansion of the Western Maryland Railway, beginning with the Cumberland Extension, was one of the last new mainlines constructed during the U.S. railroads' period of extensive growth... More
Western Maryland Railway, Cumberland Extension, Pearre to North Branch...
Significance: The westward expansion of the Western Maryland Railway, beginning with the Cumberland Extension, was one of the last new mainlines constructed during the U.S. railroads' period of extensive growth... More
Western Maryland Railway, Cumberland Extension, Pearre to North Branch...
Significance: The westward expansion of the Western Maryland Railway, beginning with the Cumberland Extension, was one of the last new mainlines constructed during the U.S. railroads' period of extensive growth... More
Great Smoky Mountains National Park Roads & Bridges, Little River Road...
Significance: Little River Road is an extremely prominent thoroughfare in Great Smoky Mountains National Park, second only to Newfound Gap Road. The transportation system in this park is representative of NPS ... More
Grand Canyon National Park Roads, Apache Street Headwall No. 3, Southe...
Significance: This headwall is representative of rustic style road structures constructed by the Civilian Conservation Corps and other depression-era public works agencies within the western national parks duri... More
Grand Canyon National Park Roads, Apache Street Headwall No. 3, Southe...
Significance: This headwall is representative of rustic style road structures constructed by the Civilian Conservation Corps and other depression-era public works agencies within the western national parks duri... More
Marsh-Billings-Rockefeller Carriage Roads, Woodstock, Windsor County, ...
Significance: The result of Frederick Billings's efforts was a network of carriage roads giving access to the estate for utilitarian purposes, as well as providing a pleasurable encounter with the landscape. T... More
Marsh-Billings-Rockefeller Carriage Roads, Woodstock, Windsor County, ...
Significance: The result of Frederick Billings's efforts was a network of carriage roads giving access to the estate for utilitarian purposes, as well as providing a pleasurable encounter with the landscape. T... More