- Gateway National Recreation Area (2)
- George Washington Memorial Parkway (2)
- Sitka National Historical Park (2)
- Statue Of Liberty National Monument (2)
- Alcatraz Island (1)
- Cape Hatteras National Seashore (1)
- Carlsbad Caverns National Park (1)
- Chesapeake & Ohio Canal National Historical Park (1)
- César E. Chávez National Monument (1)
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Showing 65 results for HDP ...
- Type: Place
- Type: Place

Phase One, a women’s bar, opened here in 1970. The bar was one of the few women-centric establishments within the District’s gay and lesbian nightlife scene. When it closed in January 2016, Phase One had earned the distinction of being one of the oldest continuously-operating women’s bars in the United States. Phase One was surveyed by the Historic American Buildings Survey.
- Type: Person

When Jane Addams penned Twenty Years at Hull House: With Autobiographical Notes, she presented her life story as inextricably tied to her work in running a settlement house. Addams was born into an affluent family in Illinois, but comfort and leisure did not suit her. After spending much of her early life searching for outlets for progressive work, Addams became a reformer.
- Type: Article

Ranger III plays a vital role as a ferry in Isle Royale National Park. The vessel transports visitors, staff, and all of the material, equipment, and goods needed to sustain park operations on the island. It is the largest piece of moving equipment in the National Park Service. Ranger III was launched in 1960 as part of the NPS's Mission 66 program and retains much of its original design. Explore the vessel via HDP’s virtual tour, animation, and archival HAER documentation.
The Historic American Buildings Survey's 90th Anniversary
- Type: Article

In celebration of the 90th anniversary, on 11-10-23, an exhibition opened at The Athenaeum of Philadelphia titled “Blazing the Trail: The Historic American Buildings Survey turns 90.” The exhibition highlights the past decade of HABS projects and the use of emerging technologies that place HABS on the forefront of architectural documentation practice. Each project represents different challenges and applications to best suit the resource. Here is a summary of the project.
- Type: Article

Beneath the prison block at Alcatraz Island sits the foundation of a U.S. Army fortification built in the 1850s. Once four stories tall and surrounded by a dry moat, the fort was razed to the foundation in 1909 to make way for the current prison building. This "dungeon" space was repurposed numerous times throughout Alcatraz Island’s history. Explore the citadel via HDP's virtual tour, point cloud, animation, and archival HABS documentation.
- Type: Article

Along Alaska’s Yukon River corridor, evidence of historical gold mining activity is scattered across the landscape. In addition to buildings, building ruins, and the piles of waste rock called tailings, examples of mining machinery can be found wherever mining took place. Because the machines were costly or difficult to move, they were usually left in place. Explore Yukon mining sites via HDP’s virtual tours and archival HABS and HAER documentation.
- Type: Article

The U.S.S. Cairo was commissioned in January 1862. Propelled by a recessed paddle wheel, Cairo was designed with a shallow draft that enabled it to maneuver effectively in the changing conditions of the Mississippi River system. On December 12, 1862, the ironclad struck an underwater mine and sank in twelve minutes. Cairo's remains were raised and salvaged in 1964. Explore the U.S.S. Cairo via HDP’s virtual tour, animation, and archival HAER documentation.
- Type: Article

Recognized as a universal symbol of freedom and democracy, "The Statue of Liberty Enlightening the World" by sculptor Frédéric Auguste Bartholdi was a gift of friendship from the people of France to the United States. The copper skin of the statue was ingeniously supported by an iron framework by French engineer Alexandre Gustav Eiffel. Explore the Statue of Liberty via HDP’s virtual tour and archival HAER documentation.
- Type: Article

The U.S. Immigration Station at Ellis Island was established in 1892. It was the most prominent federal immigration facility. After a fire destroyed the original wood buildings in 1897, Ellis Island was expanded and improved. A series of landfill projects added land. New monumental buildings, including two major hospital complexes, were built. Explore Ellis Island via HDP’s virtual tour, point clouds, animations, and archival HABS documentation.
- Type: Article

The Totem Trail at Sitka National Park features replica and original totem poles carved by Alaska Native carvers. The poles generally convey the ancestry (crest poles) or history (history poles) of a particular clan, folklore or real-life experiences (legend poles), or commemorate a person of importance (memorial/mortuary poles). Explore the Sitka Totem Trail via HDP’s virtual tour, animation, and archival HALS documentation.
- Type: Article
The Puʻuhonua o Hōnaunau is an important Hawaiian ceremonial site bounded on two sides by a massive L-shaped wall, known as the Great Wall, and on its other two sides by the ocean. Within the Puʻuhonua there are several other important ceremonial structures including the Hale o Keawe, ʻĀleʻaleʻa Heiau, and the Ancient Heiau. Explore Puʻuhonua o Hōnaunau via HDP’s virtual tour, point cloud, animation, and archival HALS documentation.
- Type: Article

Miller Field was built at the end of World War I as an aerial coastal defense station. The Seaplane Hangar was built in 1921. Its steel-frame, cast-in-place concrete structure with terra-cotta structural tile curtain walls is an early example of hangar technology. During World War II, it was altered to hold barracks, a mess, office space, and vehicle repair. Explore the Seaplane Hangar via HDP’s virtual tour, point cloud, animation, and archival HABS documentation.
- Type: Article

The Mary Jane Dogan house is located near Groveton, the site of the Second Battle of Manassas. It was erected between 1878 and 1880 for Mary Jane Dogan by noted Alexandria, Virginia, builder Alexander Lyles. The house incorporates building components salvaged from earlier structures on site. Many residents faced with deprivations after the Civil War rebuilt using the remnants of previous structures. Explore the house via HDP’s animation and archival HABS documentation.
- Type: Article

Starting in 1925, Carlsbad Caverns National Park built a system of wooden staircases to enable visitor access to the caverns. Within a decade, the park began constructing paved paths and switchback ramps instead. The stairs were abandoned and partially dismantled. The six flights of stairs, located on the east side of Iceberg Rock, are the last surviving portion of the original stair system. Explore the staircase via HDP’s animation and archival HABS documentation.
- Type: Article

Construction of Fort Jefferson began in 1846 on Garden Key, surrounding a brick lighthouse that had been built there in 1825. The fort was intended to protect American shipping interests in the Gulf of Mexico. It was the largest all-masonry fort in the United States. Explore Fort Jefferson via HDP’s virtual tour, point cloud, animations, and archival HABS documentation.
- Type: Article

César E. Chávez, a civil rights leader among Latinos during the 1950s, was leader of the United Farm Workers union and assumed major roles in the broader labor, Chicano, and environmental movements. As a result, Chávez earned a high degree of national prominence during his lifetime and improved the lives of U.S. farm workers by securing them higher wages and safer working conditions. Explore César E. Chávez National Monument via HDP’s virtual tour.
- Type: Article

The group cabin camping facilities at Camp 1 were built by the National Park Service with Civilian Conservation Corps labor as part of the development of Chopawamsic Recreational Demonstration Area (RDA) in 1935-38. The RDA program was a New Deal initiative. It repurposed underutilized agricultural land near urban centers into outdoor recreational areas. Explore Cabin Camp 1’s dining hall via HDP’s animation and archival HABS documentation.