Chesapeake & Ohio Canal, Lockhouse 75, State Route 51 & Patterson Cree...
Unprocessed Field note material exists for this structure: FN-4 Survey number: HAER MD-26
Northeast Railroad Corridor, Amtrak route between District of Columbia...
Survey number: HAER MD-45 Public domain photograph of railway map, railroad tracks, free to use, no copyright restrictions image - Picryl description
Northeast Railroad Corridor, Amtrak route between District of Columbia...
Survey number: HAER MD-45 Public domain photograph of railway map, railroad tracks, free to use, no copyright restrictions image - Picryl description
Northeast Railroad Corridor, Amtrak route between District of Columbia...
Survey number: HAER MD-45 Public domain photograph of historic place in Washington DC, free to use, no copyright restrictions image - Picryl description
Northeast Railroad Corridor, Amtrak route between District of Columbia...
Survey number: HAER MD-45 Public domain photograph of train tracks, railroad works, construction workers, free to use, no copyright restrictions image - Picryl description
Trans World Airlines Flight Center, John F. Kennedy International Airp...
Significance: The TWA Flight Center at JFK Airport, opened in May 1962, is a significant example of mid-twentieth-century modern architecture, engineering, and airline terminal planning. A masterpiece of expres... More
Trans World Airlines Flight Center, John F. Kennedy International Airp...
Significance: The TWA Flight Center at JFK Airport, opened in May 1962, is a significant example of mid-twentieth-century modern architecture, engineering, and airline terminal planning. A masterpiece of expres... More
Mount McKinley Headquarters, Dog Feed Cache & Sled Storage, Cantwell, ...
Significance: This building has enjoyed the longest continuous use of all the headquarters buildings. This building was probably moved by the Civilian Conservation Corps. Survey number: HABS AK-35-I Building... More
Mount McKinley Headquarters, Dog Feed Cache & Sled Storage, Cantwell, ...
Significance: This building has enjoyed the longest continuous use of all the headquarters buildings. This building was probably moved by the Civilian Conservation Corps. Survey number: HABS AK-35-I Building... More
Mount McKinley Headquarters, Dog Feed Cache & Sled Storage, Cantwell, ...
Significance: This building has enjoyed the longest continuous use of all the headquarters buildings. This building was probably moved by the Civilian Conservation Corps. Survey number: HABS AK-35-I Building... More
Mount McKinley Headquarters, Dog Feed Cache & Sled Storage, Cantwell, ...
Significance: This building has enjoyed the longest continuous use of all the headquarters buildings. This building was probably moved by the Civilian Conservation Corps. Survey number: HABS AK-35-I Building... More
North Central Railroad, Baltimore Freight House, Guilford & Centre Str...
Significance: The Baltimore Freight Shed, built by the Northern Central Railroad, is a rare example of composite timber and iron roof construction of the mid 19th century. The roof structure is comprised of a ... More
Baltimore & Ohio Railroad, Mount Clare Shops, South side of Pratt Stre...
Significance: Mount Clare Shops were the earliest railroad shops in the western hemisphere, if not the world. The B & O had a facility at this site since 1829. At its height, it was the most comprehensive, se... More
Baltimore & Ohio Railroad, Mount Clare Shops, South side of Pratt Stre...
Significance: Mount Clare Shops were the earliest railroad shops in the western hemisphere, if not the world. The B & O had a facility at this site since 1829. At its height, it was the most comprehensive, se... More
Baltimore & Ohio Railroad, Mount Clare Shops, South side of Pratt Stre...
Significance: Mount Clare Shops were the earliest railroad shops in the western hemisphere, if not the world. The B & O had a facility at this site since 1829. At its height, it was the most comprehensive, se... More
Bailey's Dam, Red River, Alexandria, Rapides Parish, LA
Significance: This 100-year-old dam is significant in that there has been no development in the area since the 1860s. Survey number: HAER LA-6 Building/structure dates: 1864 Initial Construction
Philadelphia, Wilmington & Baltimore Railroad, President Street Statio...
Significance: As of 1974, the President St. Station was one of the oldest large city railroad terminals still standing in the United States. The station quite possibly contains one of the earliest uses of the ... More
Navy Yard, Building No. 201, Between Isaac Hull & Patterson Avenues, W...
Picryl description: Public domain photo of a factory, warehouse, commercial or industrial building, free to use, no copyright restrictions image.
Capital Traction Company Union Station, 3600 M Street Northwest, Washi...
Significance: The union station for the street railway transit system was planned to accommodate four private lines as a transfer and terminal point. The project was the subject of much controversy in Congress... More
Capital Traction Company Union Station, 3600 M Street Northwest, Washi...
Significance: The union station for the street railway transit system was planned to accommodate four private lines as a transfer and terminal point. The project was the subject of much controversy in Congress... More
St. Joseph Railway, Light, Heat & Power Company Shops Building, 713-72...
Significance: The St. Joseph Railway, Light, Heat and Power (SJRLHP) Company Shops Building, St. Joseph, Missouri, was used continuously as a transit and repair facility throughout the twentieth century, from t... More
San Francisco Cable Railway, Washington & Mason Streets, San Francisco...
also CAL, 38-SANFRA-137-A- San Francisco Railway: Cable Car Powerhouse & Barn Significance: The last operating cable railroad in the world. Representative of an important type of urban transportation system in... More
San Francisco Cable Railway, Washington & Mason Streets, San Francisco...
also CAL, 38-SANFRA-137-A- San Francisco Railway: Cable Car Powerhouse & Barn Significance: The last operating cable railroad in the world. Representative of an important type of urban transportation system in... More
San Francisco Cable Railway, Washington & Mason Streets, San Francisco...
also CAL, 38-SANFRA-137-A- San Francisco Railway: Cable Car Powerhouse & Barn Significance: The last operating cable railroad in the world. Representative of an important type of urban transportation system in... More
Baltimore & Ohio Railroad, Queen City Hotel & Station, West Side of Pa...
Significance: The Queen City Hotel was one of five combination station-hotels built by the B & O during the 1870s. It was designed by Thomas N. Heskett of the railroad's road department, was Italianate in styl... More
Pennsylvania Railroad, Canton Coal Pier, Clinton Street at Keith Avenu...
Significance: The P.R.R. Canton Coal Pier is significant, uniquely designed, and highly successful means of transporting coal from rail to barge. It is virtually unchanged and still in operation. Survey numbe... More
Pennsylvania Railroad, Canton Coal Pier, Clinton Street at Keith Avenu...
Significance: The P.R.R. Canton Coal Pier is significant, uniquely designed, and highly successful means of transporting coal from rail to barge. It is virtually unchanged and still in operation. Survey numbe... More
Pennsylvania Railroad, Canton Coal Pier, Clinton Street at Keith Avenu...
Significance: The P.R.R. Canton Coal Pier is significant, uniquely designed, and highly successful means of transporting coal from rail to barge. It is virtually unchanged and still in operation. Survey numbe... More
Humpback Covered Bridge, Humpback Bridge Wayside Park, spanning Dunlap...
Significance: The Humpback Covered Bridge was built for the James River & Kanawha Turnpike and is one of the early turnpikes through the Alleghany region of Virginia. It is the oldest bridge in Virginia, and t... More
Humpback Covered Bridge, Humpback Bridge Wayside Park, spanning Dunlap...
Significance: The Humpback Covered Bridge was built for the James River & Kanawha Turnpike and is one of the early turnpikes through the Alleghany region of Virginia. It is the oldest bridge in Virginia, and t... More
Humpback Covered Bridge, Humpback Bridge Wayside Park, spanning Dunlap...
Significance: The Humpback Covered Bridge was built for the James River & Kanawha Turnpike and is one of the early turnpikes through the Alleghany region of Virginia. It is the oldest bridge in Virginia, and t... More
Humpback Covered Bridge, Humpback Bridge Wayside Park, spanning Dunlap...
Significance: The Humpback Covered Bridge was built for the James River & Kanawha Turnpike and is one of the early turnpikes through the Alleghany region of Virginia. It is the oldest bridge in Virginia, and t... More
Humpback Covered Bridge, Humpback Bridge Wayside Park, spanning Dunlap...
Significance: The Humpback Covered Bridge was built for the James River & Kanawha Turnpike and is one of the early turnpikes through the Alleghany region of Virginia. It is the oldest bridge in Virginia, and t... More
Sharptown Bridge, Spanning Nanticoke River, State Route 313, Sharptown...
Significance: The Sharptown Bridge was the first bridge built entirely under the control of the State Roads Commission. It is the first and only bridge at this location. Survey number: HAER MD-52 Building/st... More
Sharptown Bridge, Spanning Nanticoke River, State Route 313, Sharptown...
Significance: The Sharptown Bridge was the first bridge built entirely under the control of the State Roads Commission. It is the first and only bridge at this location. Survey number: HAER MD-52 Building/st... More
Carro delle zaffosina. Book illustration from Library of Congress
Print shows a mechanical device for transporting small boats from one body of water to another or over unnavigable sections by means of sleds with wheels that run through tracks. Illus. in: Novo teatro di mach... More
Washington, D.C. "I'll carry mine," a campaign to conserve transportat...
Public domain photograph of Washington DC, 1930s, free to use, no copyright restrictions image - Picryl description
Baltimore & Ohio Railroad, Camden Station, South side of Camden Street...
Unprocessed Field note material exists for this structure: FN-21 Survey number: HAER MD-7
Baltimore & Ohio Railroad, Camden Station, South side of Camden Street...
Unprocessed Field note material exists for this structure: FN-21 Survey number: HAER MD-7
Northeast Railroad Corridor, Amtrak route between District of Columbia...
Survey number: HAER MD-45 Public domain photograph of historic place in Washington DC, free to use, no copyright restrictions image - Picryl description
Baltimore & Ohio Railroad, Mount Royal Station, Baltimore, Independent...
Significance: When it opened in 1896, the Mount Royal Station was one of the best examples of the harmonious blending of engineering and aesthetic values in an urban environment. Sited at the north end of the ... More
Baltimore & Ohio Railroad, Howard Street Tunnel, 1300 Mount Royal Aven...
Significance: The Baltimore Belt Railroad, chartered in 1888, built the Howard Street Tunnel. The seven-mile-long railroad connected the main branch of the Baltimore and Ohio Railroad that extends westward wit... More
Trans World Airlines Flight Center, John F. Kennedy International Airp...
Significance: The TWA Flight Center at JFK Airport, opened in May 1962, is a significant example of mid-twentieth-century modern architecture, engineering, and airline terminal planning. A masterpiece of expres... More
Cumberland & Pennsylvania Railroad, Wills Creek Bridge, Spanning Wills...
Significance: The Wills Creek Bridge is located in the Cumberland and Pennsylvania subdivision of the Western Maryland Railway Company. It is a brick arch viaduct of four spans, each 45 feet in length. The ab... More
Baltimore & Ohio Railroad, Mount Clare Shops, South side of Pratt Stre...
Significance: Mount Clare Shops were the earliest railroad shops in the western hemisphere, if not the world. The B & O had a facility at this site since 1829. At its height, it was the most comprehensive, se... More
Baltimore & Ohio Railroad, Mount Clare Shops, South side of Pratt Stre...
Significance: Mount Clare Shops were the earliest railroad shops in the western hemisphere, if not the world. The B & O had a facility at this site since 1829. At its height, it was the most comprehensive, se... More
Baltimore & Ohio Railroad, Mount Clare Shops, South side of Pratt Stre...
Significance: Mount Clare Shops were the earliest railroad shops in the western hemisphere, if not the world. The B & O had a facility at this site since 1829. At its height, it was the most comprehensive, se... More
Baltimore & Ohio Railroad, Mount Clare Shops, South side of Pratt Stre...
Significance: Mount Clare Shops were the earliest railroad shops in the western hemisphere, if not the world. The B & O had a facility at this site since 1829. At its height, it was the most comprehensive, se... More
Baltimore & Ohio Railroad, Mount Clare Shops, South side of Pratt Stre...
Significance: Mount Clare Shops were the earliest railroad shops in the western hemisphere, if not the world. The B & O had a facility at this site since 1829. At its height, it was the most comprehensive, se... More
Bailey's Dam, Red River, Alexandria, Rapides Parish, LA
Significance: This 100-year-old dam is significant in that there has been no development in the area since the 1860s. Survey number: HAER LA-6 Building/structure dates: 1864 Initial Construction
Philadelphia, Wilmington & Baltimore Railroad, President Street Statio...
Significance: As of 1974, the President St. Station was one of the oldest large city railroad terminals still standing in the United States. The station quite possibly contains one of the earliest uses of the ... More
Navy Yard, Building No. 201, Between Isaac Hull & Patterson Avenues, W...
Picryl description: Public domain photo of a factory, warehouse, commercial or industrial building, free to use, no copyright restrictions image.
Capital Traction Company Union Station, 3600 M Street Northwest, Washi...
Significance: The union station for the street railway transit system was planned to accommodate four private lines as a transfer and terminal point. The project was the subject of much controversy in Congress... More
St. Joseph Railway, Light, Heat & Power Company Shops Building, 713-72...
Significance: The St. Joseph Railway, Light, Heat and Power (SJRLHP) Company Shops Building, St. Joseph, Missouri, was used continuously as a transit and repair facility throughout the twentieth century, from t... More
San Francisco Cable Railway, Washington & Mason Streets, San Francisco...
also CAL, 38-SANFRA-137-A- San Francisco Railway: Cable Car Powerhouse & Barn Significance: The last operating cable railroad in the world. Representative of an important type of urban transportation system in... More
San Francisco Cable Railway, Washington & Mason Streets, San Francisco...
also CAL, 38-SANFRA-137-A- San Francisco Railway: Cable Car Powerhouse & Barn Significance: The last operating cable railroad in the world. Representative of an important type of urban transportation system in... More
San Francisco Cable Railway, Washington & Mason Streets, San Francisco...
also CAL, 38-SANFRA-137-A- San Francisco Railway: Cable Car Powerhouse & Barn Significance: The last operating cable railroad in the world. Representative of an important type of urban transportation system in... More
San Francisco Cable Railway, Washington & Mason Streets, San Francisco...
also CAL, 38-SANFRA-137-A- San Francisco Railway: Cable Car Powerhouse & Barn Significance: The last operating cable railroad in the world. Representative of an important type of urban transportation system in... More
Baltimore & Ohio Railroad, Queen City Hotel & Station, West Side of Pa...
Significance: The Queen City Hotel was one of five combination station-hotels built by the B & O during the 1870s. It was designed by Thomas N. Heskett of the railroad's road department, was Italianate in styl... More
Baltimore & Ohio Railroad, Queen City Hotel & Station, West Side of Pa...
Significance: The Queen City Hotel was one of five combination station-hotels built by the B & O during the 1870s. It was designed by Thomas N. Heskett of the railroad's road department, was Italianate in styl... More
Pennsylvania Railroad, Canton Coal Pier, Clinton Street at Keith Avenu...
Significance: The P.R.R. Canton Coal Pier is significant, uniquely designed, and highly successful means of transporting coal from rail to barge. It is virtually unchanged and still in operation. Survey numbe... More
Pennsylvania Railroad, Canton Coal Pier, Clinton Street at Keith Avenu...
Significance: The P.R.R. Canton Coal Pier is significant, uniquely designed, and highly successful means of transporting coal from rail to barge. It is virtually unchanged and still in operation. Survey numbe... More
Humpback Covered Bridge, Humpback Bridge Wayside Park, spanning Dunlap...
Significance: The Humpback Covered Bridge was built for the James River & Kanawha Turnpike and is one of the early turnpikes through the Alleghany region of Virginia. It is the oldest bridge in Virginia, and t... More
Humpback Covered Bridge, Humpback Bridge Wayside Park, spanning Dunlap...
Significance: The Humpback Covered Bridge was built for the James River & Kanawha Turnpike and is one of the early turnpikes through the Alleghany region of Virginia. It is the oldest bridge in Virginia, and t... More
Fuel conservation. Home insulation conserves fuel. Every homeowner can...
Picryl description: Public domain image of workers, labor, 1940s, economic conditions, free to use, no copyright restrictions.
Matthews Bridge, Spanning Loch Raven Reservoir on Dulaney Valley Road,...
Significance: In 1908 the General Assembly empowered the city of Baltimore to establish a reservoir in the valley of the Gunpowder River in Baltimore County. On May 1, 1913, an agreement was entered into betw... More
Baltimore & Ohio Railroad, Camden Station, South side of Camden Street...
Unprocessed Field note material exists for this structure: FN-21 Survey number: HAER MD-7
Northeast Railroad Corridor, Amtrak route between District of Columbia...
Survey number: HAER MD-45 Public domain photograph of train tracks, railroad, free to use, no copyright restrictions image - Picryl description
Northeast Railroad Corridor, Amtrak route between District of Columbia...
Survey number: HAER MD-45 Public domain photograph of train depot, warehouse, railroad works, free to use, no copyright restrictions image - Picryl description
Northeast Railroad Corridor, Amtrak route between District of Columbia...
Survey number: HAER MD-45 Public domain photograph - historical image of Washington DC, United States, free to use, no copyright restrictions image - Picryl description
Northeast Railroad Corridor, Amtrak route between District of Columbia...
Survey number: HAER MD-45 Public domain photograph of train tracks, railroad works, free to use, no copyright restrictions image - Picryl description
Baltimore & Ohio Railroad, Howard Street Tunnel, 1300 Mount Royal Aven...
Significance: The Baltimore Belt Railroad, chartered in 1888, built the Howard Street Tunnel. The seven-mile-long railroad connected the main branch of the Baltimore and Ohio Railroad that extends westward wit... More
Trans World Airlines Flight Center, John F. Kennedy International Airp...
Significance: The TWA Flight Center at JFK Airport, opened in May 1962, is a significant example of mid-twentieth-century modern architecture, engineering, and airline terminal planning. A masterpiece of expres... More
Mount McKinley Headquarters, Dog Feed Cache & Sled Storage, Cantwell, ...
Significance: This building has enjoyed the longest continuous use of all the headquarters buildings. This building was probably moved by the Civilian Conservation Corps. Survey number: HABS AK-35-I Building... More
Cumberland & Pennsylvania Railroad, Wills Creek Bridge, Spanning Wills...
Significance: The Wills Creek Bridge is located in the Cumberland and Pennsylvania subdivision of the Western Maryland Railway Company. It is a brick arch viaduct of four spans, each 45 feet in length. The ab... More
Baltimore & Ohio Railroad, Mount Clare Shops, South side of Pratt Stre...
Significance: Mount Clare Shops were the earliest railroad shops in the western hemisphere, if not the world. The B & O had a facility at this site since 1829. At its height, it was the most comprehensive, se... More
Baltimore & Ohio Railroad, Mount Clare Shops, South side of Pratt Stre...
Significance: Mount Clare Shops were the earliest railroad shops in the western hemisphere, if not the world. The B & O had a facility at this site since 1829. At its height, it was the most comprehensive, se... More
Baltimore & Ohio Railroad, Mount Clare Shops, South side of Pratt Stre...
Significance: Mount Clare Shops were the earliest railroad shops in the western hemisphere, if not the world. The B & O had a facility at this site since 1829. At its height, it was the most comprehensive, se... More
Baltimore & Ohio Railroad, Mount Clare Shops, South side of Pratt Stre...
Significance: Mount Clare Shops were the earliest railroad shops in the western hemisphere, if not the world. The B & O had a facility at this site since 1829. At its height, it was the most comprehensive, se... More
Philadelphia, Wilmington & Baltimore Railroad, President Street Statio...
Significance: As of 1974, the President St. Station was one of the oldest large city railroad terminals still standing in the United States. The station quite possibly contains one of the earliest uses of the ... More
Navy Yard, Building No. 201, Between Isaac Hull & Patterson Avenues, W...
Picryl description: Public domain photo of an industrial building, factory or warehouse, free to use, no copyright restrictions image.
Baltimore & Ohio Railroad, Mount Royal Trainshed, 1400 Cathedral Stree...
Significance: When it opened in 1896, the Mount Royal Station and Trainshed was one of the best examples of the harmonious blending of engineering and aesthetic values in an urban environment. Sited at the nor... More
Capital Traction Company Union Station, 3600 M Street Northwest, Washi...
Significance: The union station for the street railway transit system was planned to accommodate four private lines as a transfer and terminal point. The project was the subject of much controversy in Congress... More
Capital Traction Company Union Station, 3600 M Street Northwest, Washi...
Significance: The union station for the street railway transit system was planned to accommodate four private lines as a transfer and terminal point. The project was the subject of much controversy in Congress... More
St. Joseph Railway, Light, Heat & Power Company Shops Building, 713-72...
Significance: The St. Joseph Railway, Light, Heat and Power (SJRLHP) Company Shops Building, St. Joseph, Missouri, was used continuously as a transit and repair facility throughout the twentieth century, from t... More
St. Joseph Railway, Light, Heat & Power Company Shops Building, 713-72...
Significance: The St. Joseph Railway, Light, Heat and Power (SJRLHP) Company Shops Building, St. Joseph, Missouri, was used continuously as a transit and repair facility throughout the twentieth century, from t... More
San Francisco Cable Railway, Washington & Mason Streets, San Francisco...
also CAL, 38-SANFRA-137-A- San Francisco Railway: Cable Car Powerhouse & Barn Significance: The last operating cable railroad in the world. Representative of an important type of urban transportation system in... More
San Francisco Cable Railway, Washington & Mason Streets, San Francisco...
also CAL, 38-SANFRA-137-A- San Francisco Railway: Cable Car Powerhouse & Barn Significance: The last operating cable railroad in the world. Representative of an important type of urban transportation system in... More
Baltimore & Ohio Railroad, Queen City Hotel & Station, West Side of Pa...
Significance: The Queen City Hotel was one of five combination station-hotels built by the B & O during the 1870s. It was designed by Thomas N. Heskett of the railroad's road department, was Italianate in styl... More
Baltimore & Ohio Railroad, Queen City Hotel & Station, West Side of Pa...
Significance: The Queen City Hotel was one of five combination station-hotels built by the B & O during the 1870s. It was designed by Thomas N. Heskett of the railroad's road department, was Italianate in styl... More
Baltimore & Ohio Railroad, Queen City Hotel & Station, West Side of Pa...
Significance: The Queen City Hotel was one of five combination station-hotels built by the B & O during the 1870s. It was designed by Thomas N. Heskett of the railroad's road department, was Italianate in styl... More
Baltimore & Ohio Railroad, Queen City Hotel & Station, West Side of Pa...
Significance: The Queen City Hotel was one of five combination station-hotels built by the B & O during the 1870s. It was designed by Thomas N. Heskett of the railroad's road department, was Italianate in styl... More
Pennsylvania Railroad, Canton Coal Pier, Clinton Street at Keith Avenu...
Significance: The P.R.R. Canton Coal Pier is significant, uniquely designed, and highly successful means of transporting coal from rail to barge. It is virtually unchanged and still in operation. Survey numbe... More
Humpback Covered Bridge, Humpback Bridge Wayside Park, spanning Dunlap...
Significance: The Humpback Covered Bridge was built for the James River & Kanawha Turnpike and is one of the early turnpikes through the Alleghany region of Virginia. It is the oldest bridge in Virginia, and t... More
Humpback Covered Bridge, Humpback Bridge Wayside Park, spanning Dunlap...
Significance: The Humpback Covered Bridge was built for the James River & Kanawha Turnpike and is one of the early turnpikes through the Alleghany region of Virginia. It is the oldest bridge in Virginia, and t... More
Sharptown Bridge, Spanning Nanticoke River, State Route 313, Sharptown...
Significance: The Sharptown Bridge was the first bridge built entirely under the control of the State Roads Commission. It is the first and only bridge at this location. Survey number: HAER MD-52 Building/st... More
Sharptown Bridge, Spanning Nanticoke River, State Route 313, Sharptown...
Significance: The Sharptown Bridge was the first bridge built entirely under the control of the State Roads Commission. It is the first and only bridge at this location. Survey number: HAER MD-52 Building/st... More
Sharptown Bridge, Spanning Nanticoke River, State Route 313, Sharptown...
Significance: The Sharptown Bridge was the first bridge built entirely under the control of the State Roads Commission. It is the first and only bridge at this location. Survey number: HAER MD-52 Building/st... More
Baltimore & Ohio Railroad, Camden Station, South side of Camden Street...
Unprocessed Field note material exists for this structure: FN-21 Survey number: HAER MD-7
Baltimore & Ohio Railroad, Camden Station, South side of Camden Street...
Unprocessed Field note material exists for this structure: FN-21 Survey number: HAER MD-7