LiDAR Point Clouds
Historic American Buildings Survey
Alcatraz Island Citadel
Golden Gate National Recreation Area, CA
The Historic American Buildings Survey undertook a project to record the Citadel at Alcatraz Island in 2018. The current 1912 cellhouse at Alcatraz was constructed directly over the first level of a Civil War-era US Army citadel.
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Ellis Island
Ellis Island National Monument, NY/NJ
The United States Immigration Station at Ellis Island, established in 1892, was the most prominent federal immigration facility. After a fire destroyed the original wood buildings in 1897, Ellis Island was expanded and improved by a series of landfill projects and monumental new buildings still there today.
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Fort Jefferson Harbor Light
Dry Tortugas National Park, FL
Dry Tortugas National Park was established to preserve the rich cultural heritage of Fort Jefferson and submerged resources around the nearby keys. Documentation of Fort Jefferson at Dry Tortugas has been undertaken by Heritage Documentation Programs begining in 2015.
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Historic American Engineering Record
Log Wall
Chesapeake & Ohio Canal National Historical Park, MD/DC
Stretching 184.5 miles from Georgetown in Washington, DC, to Cumberland, Maryland, the Chesapeake & Ohio Canal offers colorful cultural, natural, and historic resources. This "Log Wall" section near mile marker 11 is one of the tallest sections along the canal path.
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Miller Field Seaplane Hangar
Gateway National Recreation Area, NY
Miller Field was the only aerial coast defense station established on the East Coast, and the seaplane hangar, built in 1919 with additions in 1939, played a significant role in the operations of the field.
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Pu`uhonua O Hōnaunau National Historical Park
Honaunau, HI
Situated on the west coast of the island of Hawaii on Honaunau Bay, Pu'uhonua O Hōnaunau National Historical Park encompasses the best preserved pu'uhonua, or place of refuge, where criminals, defeated warriors, and those who had violated kapu (referring to the ancient Hawaiian code of conduct) could flee and receive absolution from a priest. The Pu'uhonua is still considered a sacred site.
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Santa Susana Field Laboratory
Santa Susana, CA
The Santa Susana Field Laboratory is a large test facility which once served as a proving grounds for numerous Air Force and NASA rocket engines and components. High up in the rocky terrain of the Simi Hills sit the remnants of several unique rocket test stands, silent reminders of an era driven by scientific advancement.
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Historic American Landscapes Survey
Sitka Totem Trail
Sitka National Historical Park, AK
Sitka National Historical Park's unique and remarkable collection of totem poles dates to 1903. The poles have been carefully situated along the Park's Totem Trail, a scenic pedestrian walk through the forested grove located between Sitka Sound and the Indian River.
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