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
Zanja No. 3, Brick Culvert, Alameda Street between Temple & Aliso Stre...
Significance: Zanja No. 3 represents a portion of the original Los Angeles water system. The zanjas, a series of ditches from the Los Angeles River, were begun immediately after the establishment of the pueblo... More
Burlington Northern Santa Fe Railroad, Cajon Subdivision, Structure No...
Significance: The railroad through Cajon Pass provides a link between the greater Los Angeles area and distant markets. In 1998, the California State Historic Preservation Office determined the historic route o... 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
Burlington Northern Santa Fe Railroad, Cajon Subdivision, Structure No...
Significance: The railroad through Cajon Pass provides a link between the greater Los Angeles area and distant markets. In 1998, the California State Historic Preservation Office determined the historic route o... More
Old Croton Aqueduct, Indian Creek Culvert, Reservoir & Quaker Bridge R...
Significance: The Old Croton Aqueduct is an outstanding example of 19th century civil engineering and was New York City's first municipal water project. The culvert at Indian Creek is just one of several stand... More
Route No. 1-Overton-Lake Mead Road, Culverts and Headwalls, 6 miles so...
Significance: The Route No. 1 Overton-Lake Mead Road contributed significantly to National park Service development of the Lake Mead National Recreation Area beginning in 1938. Stone masonry culvert headwalls a... 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
Burlington Northern Santa Fe Railroad, Cajon Subdivision, Structure No...
Significance: The railroad through Cajon Pass provides a link between the greater Los Angeles area and distant markets. In 1998, the California State Historic Preservation Office determined the historic route o... 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
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
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
Chicago & North Western Railroad, Stone Culvert, Railroad Milepost 514...
Significance: The stone culvert was constructed by the Chicago and North Western Railroad in 1901 and is a distinctive example of short-span stone construction using local materials. Although alterations have ... More
Kalaupapa Water Supply System, Waikolu Valley to Kalaupapa Settlement,...
The address used in title block for the measured drawings incorrectly identifies the location as Maui County. The Kalaupapa Water Supply System is located in Kalawao County. Significance: From 1866, Hawaiians ... More
Kalaupapa Water Supply System, Waikolu Valley to Kalaupapa Settlement,...
The address used in title block for the measured drawings incorrectly identifies the location as Maui County. The Kalaupapa Water Supply System is located in Kalawao County. Significance: From 1866, Hawaiians ... More
Kalaupapa Water Supply System, Waikolu Valley to Kalaupapa Settlement,...
The address used in title block for the measured drawings incorrectly identifies the location as Maui County. The Kalaupapa Water Supply System is located in Kalawao County. Significance: From 1866, Hawaiians ... More
Kalaupapa Water Supply System, Waikolu Valley to Kalaupapa Settlement,...
The address used in title block for the measured drawings incorrectly identifies the location as Maui County. The Kalaupapa Water Supply System is located in Kalawao County. Significance: From 1866, Hawaiians ... More
Kalaupapa Water Supply System, Waikolu Valley to Kalaupapa Settlement,...
The address used in title block for the measured drawings incorrectly identifies the location as Maui County. The Kalaupapa Water Supply System is located in Kalawao County. Significance: From 1866, Hawaiians ... More
Kalaupapa Water Supply System, Waikolu Valley to Kalaupapa Settlement,...
The address used in title block for the measured drawings incorrectly identifies the location as Maui County. The Kalaupapa Water Supply System is located in Kalawao County. Significance: From 1866, Hawaiians ... More
Kalaupapa Water Supply System, Waikolu Valley to Kalaupapa Settlement,...
The address used in title block for the measured drawings incorrectly identifies the location as Maui County. The Kalaupapa Water Supply System is located in Kalawao County. Significance: From 1866, Hawaiians ... More
Kalaupapa Water Supply System, Waikolu Valley to Kalaupapa Settlement,...
The address used in title block for the measured drawings incorrectly identifies the location as Maui County. The Kalaupapa Water Supply System is located in Kalawao County. Significance: From 1866, Hawaiians ... More
Natchez Trace Parkway, Located between Natchez, MS & Nashville, TN, Tu...
Significance: A regional Good Roads movement championed by the Natchez Trace Military Highway Association in 1916 continued an effort initiated by the Mississippi Daughters of the American Revolution (DAR) to c... More
Natchez Trace Parkway, Located between Natchez, MS & Nashville, TN, Tu...
Significance: A regional Good Roads movement championed by the Natchez Trace Military Highway Association in 1916 continued an effort initiated by the Mississippi Daughters of the American Revolution (DAR) to c... More
Natchez Trace Parkway, Located between Natchez, MS & Nashville, TN, Tu...
Significance: A regional Good Roads movement championed by the Natchez Trace Military Highway Association in 1916 continued an effort initiated by the Mississippi Daughters of the American Revolution (DAR) to c... More
Natchez Trace Parkway, Located between Natchez, MS & Nashville, TN, Tu...
Significance: A regional Good Roads movement championed by the Natchez Trace Military Highway Association in 1916 continued an effort initiated by the Mississippi Daughters of the American Revolution (DAR) to c... More
Natchez Trace Parkway, Located between Natchez, MS & Nashville, TN, Tu...
Significance: A regional Good Roads movement championed by the Natchez Trace Military Highway Association in 1916 continued an effort initiated by the Mississippi Daughters of the American Revolution (DAR) to c... More
Natchez Trace Parkway, Located between Natchez, MS & Nashville, TN, Tu...
Significance: A regional Good Roads movement championed by the Natchez Trace Military Highway Association in 1916 continued an effort initiated by the Mississippi Daughters of the American Revolution (DAR) to c... More
Natchez Trace Parkway, Located between Natchez, MS & Nashville, TN, Tu...
Significance: A regional Good Roads movement championed by the Natchez Trace Military Highway Association in 1916 continued an effort initiated by the Mississippi Daughters of the American Revolution (DAR) to c... More
Natchez Trace Parkway, Located between Natchez, MS & Nashville, TN, Tu...
Significance: A regional Good Roads movement championed by the Natchez Trace Military Highway Association in 1916 continued an effort initiated by the Mississippi Daughters of the American Revolution (DAR) to c... More
Natchez Trace Parkway, Located between Natchez, MS & Nashville, TN, Tu...
Significance: A regional Good Roads movement championed by the Natchez Trace Military Highway Association in 1916 continued an effort initiated by the Mississippi Daughters of the American Revolution (DAR) to c... More
Natchez Trace Parkway, Located between Natchez, MS & Nashville, TN, Tu...
Significance: A regional Good Roads movement championed by the Natchez Trace Military Highway Association in 1916 continued an effort initiated by the Mississippi Daughters of the American Revolution (DAR) to c... More
Natchez Trace Parkway, Located between Natchez, MS & Nashville, TN, Tu...
Significance: A regional Good Roads movement championed by the Natchez Trace Military Highway Association in 1916 continued an effort initiated by the Mississippi Daughters of the American Revolution (DAR) to c... More
Natchez Trace Parkway, Located between Natchez, MS & Nashville, TN, Tu...
Significance: A regional Good Roads movement championed by the Natchez Trace Military Highway Association in 1916 continued an effort initiated by the Mississippi Daughters of the American Revolution (DAR) to c... More
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 a residential building, house, 19th-20th century 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 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 image of an arch bridge, stone structure, 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 bridge, stone architecture, free to use, no copyright restrictions.
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...
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...
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 a waterfall, water stream, cascade, nature site, free to use, no copyright restrictions.
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 view of a mountain range, mountainous landscape, free to use, no copyright restrictions.
Blue Ridge Parkway, Between Shenandoah National Park & Great Smoky Mou...
Picryl description: Public domain image of a bridge, water, historic structure, free to use, no copyright restrictions.
Blue Ridge Parkway, Between Shenandoah National Park & Great Smoky Mou...
Public domain photo of a monument, historic place, free to use, 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...
Picryl description: Public domain vintage artistic photograph, free to use, no copyright restrictions image.
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
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
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
Picryl description: Public domain image of a park, trees, outdoors, free to use, no copyright restrictions.
Hana Belt Road, Between Haiku and Kaipahulu, Hana, Maui County, HI
Picryl description: Public domain image of a park, trees, outdoors, 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 aerial photograph, no copyright restrictions image - Picryl description Public domain photograph - historical image of Hawaii, United States, free to use, no copyright restrictions image - Picryl... More
Hana Belt Road, Between Haiku and Kaipahulu, Hana, Maui County, HI
Picryl description: Public domain image of a landscape with water, mountains, and sky, 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
Picryl description: Public domain image of a park, trees, outdoors, 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
Picryl description: Public domain image of a park, trees, outdoors, 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 structure, architecture, 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 of a mountain pass, mountains, nature, mountain range, view, landscape, rocks, free to use, no copyright restrictions - 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.
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
Grand Canyon National Park Roads, Apache Street Headwall No. 2, Southw...
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
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
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
Hunters Beach Brook Bridge, Spanning Little Hunters Brook on Park Loop...
Significance: Hunters Beach Brook Bridge carries the Park Loop Road over one of the island's smaller streams. The small structure is unobtrusive, but its stone-faced parapets allow the structure to harmonize w... More