National Register of Historic Places in the context of "Key Bridge (Washington, D.C.)"

The Embarcadero (Spanish for "Embarkment") is the eastern waterfront of Port of San Francisco and a major roadway in San Francisco, California, United States. It was constructed on reclaimed land along a three mile long engineered seawall, from which piers extend into the bay. It derives its name from the Spanish verb embarcar, meaning "to embark"; embarcadero itself means "the place to embark." The Central Embarcadero Piers Historic District was added to the National Register of Historic Places on November 20, 2002.

The Embarcadero right-of-way begins at the intersection of Second and King Streets near Oracle Park, and travels north, passing under the San Francisco–Oakland Bay Bridge. The Embarcadero continues north past the Ferry Building at Market Street, Pier 39, and Fisherman's Wharf, before ending at Pier 45. A section of The Embarcadero which ran between Folsom Street and Drumm Street was formerly known as East Street.

Mayflower II is a reproduction of the 17th-century ship Mayflower, celebrated for transporting the Pilgrims to the New World in 1620.The reproduction was built in Devon, England during 1955–1956, in a collaboration between Englishman Warwick Charlton and Plimoth Patuxet (at the time known as Plimoth Plantation), a living history museum. The work drew upon reconstructed ship blueprints held by the American museum, along with hand construction by English shipbuilders using traditional methods.Mayflower II was sailed from Plymouth, Devon on April 20, 1957, recreating the original voyage across the Atlantic Ocean, under the command of Alan Villiers.According to the ship's log, Mayflower II arrived at Plymouth on June 22; it was towed up the East River into New York City on Monday, July 1, 1957, where Villiers and crew received a ticker-tape parade. The ship was listed on the US National Register of Historic Places in 2020.

The ship was built at the Upham Shipyard in Brixham and financed by private donations in England and Plimoth Plantation. It represented the alliance between the United Kingdom and the United States for collaboration during the Second World War. The ship is considered a faithful generic reproduction within a few details (electric lights added and ladder replaced with a lower-deck staircase), with solid oak timbers, tarred hemp rigging, and hand-coloured maps. It is 106 ft (32 m) long by 25 ft (7.6 m) wide, 236 tons displacement, three masts (mainmast, foremast, mizzen), a bowsprit and 6 sails.

New York City Hall is the seat of New York City government, located at the center of City Hall Park in the Civic Center area of Lower Manhattan, between Broadway, Park Row, and Chambers Street. Constructed from 1803 to 1812, the building is the oldest city hall in the United States that still houses its original governmental functions. The building houses the office of the Mayor of New York City and the chambers of the New York City Council. While the Mayor's Office is in the building, the staff of thirteen municipal agencies under mayoral control are located in the nearby Manhattan Municipal Building, one of the largest government buildings in the world, with many others housed in various buildings in the immediate vicinity.

New York City Hall is a National Historic Landmark and is listed on the National Register of Historic Places. The New York City Landmarks Preservation Commission designated both City Hall's exterior and interior as official city landmarks in 1966 and 1976, respectively.

The Wainwright Building (also known as the Wainwright State Office Building) is a 10-story, 41 m (135 ft) terra cotta office building at 709 Chestnut Street in downtown St. Louis, Missouri. The Wainwright Building is considered to be one of the first aesthetically fully expressed early skyscrapers. It was designed by Dankmar Adler and Louis Sullivan and built between 1890 and 1891. It was named for local brewer, building contractor, and financier Ellis Wainwright.

The building, listed as a landmark both locally and nationally, is described as "a highly influential prototype of the modern office building" by the National Register of Historic Places. Architect Frank Lloyd Wright called the Wainwright Building "the very first human expression of a tall steel office-building as Architecture."

Theatre-in-the-round, also known as arena theatre or central staging, is a theatrical stage configuration in which the audience surrounds the performance area on all sides.

Historically rooted in ancient Greece and Rome performance practices, the format was reintroduced and popularized in the mid-20th century through pioneering venues like the Glenn Hughes Penthouse Theatre in Seattle, Washington. It opened on May 19, 1940, with a production of Spring Dance, a comedy by playwright Philip Barry. The 160-seat theatre is located on the campus of the University of Washington and is listed on the National Register of Historic Places.

Castle Clinton (also known as Fort Clinton and Castle Garden) is a restored circular sandstone fort within Battery Park at the southern end of Manhattan in New York City, United States. Built from 1808 to 1811, it was the first American immigration station, predating Ellis Island. More than 7.5 million people arrived in the United States at Fort Clinton between 1855 and 1890. Over its active life, it has also functioned as a beer garden, exhibition hall, theater, and public aquarium. The structure is a New York City designated landmark and a U.S. national monument, and it is listed on the National Register of Historic Places.

Fort Clinton was originally known as the West Battery or the Southwest Battery, occupying an artificial island off the shore of Lower Manhattan. Designed by John McComb Jr., with Jonathan Williams as consulting engineer, the fort was garrisoned in 1812 but was never used for warfare. In 1824, the New York City government converted Fort Clinton into a 6,000-seat entertainment venue known as Castle Garden, which operated until 1855. Castle Garden then served as an immigrant processing depot for 35 years. When the processing facilities were moved to Ellis Island in 1892, Castle Garden was converted into the first home of the New York Aquarium, which opened in 1896 and continued operating until 1941. The fort was expanded and renovated several times during this period.

Height of Land Portage is a portage along the historic Boundary Waters route between Canada and the United States. Located at the border of the Canadian province of Ontario and the U.S. state of Minnesota, the path is a relatively easy crossing of the Laurentian Divide separating the Hudson Bay and Great Lakes-St. Lawrence watersheds.

The portage was used for centuries by Indigenous peoples for canoe travel, teaching it to European voyageurs and coureurs des bois who used it to access the fur trading posts in Rupert's Land. For many years the portage was part of an important route from Lower Canada to the interior of the North American continent. It became part of the boundary between British North America and the United States following the American Revolution and treaties delineating the border. In recognition of this history, the portage is on the U.S. National Register of Historic Places, and is a Minnesota State Historic Site.

Old San Juan (Spanish: Viejo San Juan) is a historic district or quarter located at the "northwest triangle" of the islet of San Juan in San Juan. Its area roughly correlates to the Ballajá, Catedral, Marina, Mercado, San Cristóbal, and San Francisco sub-barrios (sub-districts) of barrio San Juan Antiguo in the municipality of San Juan, Puerto Rico.

Old San Juan is the oldest settlement within Puerto Rico and the historic colonial district of the city of San Juan. This historic district is a Puerto Rico Registered Historic Zone and a National Historic Landmark District, Old San Juan Historic District, and is also listed on the United States National Register of Historic Places. Several historical buildings and structures, particularly La Fortaleza, the city walls, and El Morro and San Cristóbal castles, have been inscribed in the UNESCO World Heritage Site list since 1983.

Wallabout Bay is a small body of water in Upper New York Bay along the northwest shore of the New York City borough of Brooklyn, between the present Williamsburg and Manhattan Bridges. It is located opposite Corlear's Hook in Manhattan, across the East River to the west. Wallabout Bay is now the site of the Brooklyn Navy Yard.

The nearby neighborhood of Wallabout, dating back to the 17th century, is adjacent to the bay. The neighborhood is a mixed use area with an array of old wood-frame buildings, public housing, brick townhouses, and warehouses. It contains the historic Lefferts-Laidlaw House, which was added to the National Register of Historic Places in 1985.

A National Historic Landmark (NHL) is a building, district, object, site, or structure that is officially recognized by the United States government for its outstanding historical significance. Only some 2,500, or roughly three percent, of over 90,000 places listed on the country's National Register of Historic Places (NRHP) are recognized as National Historic Landmarks.

A National Historic Landmark District may include many contributing properties that are buildings, structures, sites or objects, and it may also include non-contributing properties. Contributing properties may or may not also be separately listed as NHLs or on the NRHP.