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Kenilworth Aquatic Gardens: Even before their purchase by the National Park Service in 1938, the Kenilworth Aquatic Gardens have been an important site for botanical study since the 19th century.
Located in marshland on the eastern shore of the Anacostia River, the Kenilworth Aquatic Gardens contain important collections of water plants, fish, reptiles, and amphibians. The gardens are…
The Kennedy-Warren: Built in 1931, the Kennedy-Warren is one of the most significant examples of a luxury apartment building in DC.
In February 1931, D.C. Permit to Build #140167 was issued to Kennedy-Warren, Inc. to erect an eight-story apartment hotel at an estimated cost of $3,200,000. Architect Joseph Younger's original design…
Key Bridge: The Francis Scott Key Bridge spans the Potomac River, connecting Georgetown, DC to Rosslyn, VA.
The Francis Scott Key Bridge, spanning the Potomac River between Washington, DC and Arlington, Virginia, is a skillfully designed reinforced concrete arch bridge. Originally constructed to provide…
Klingle Valley Bridge: This bridge was constructed in 1931 to replace an earlier viaduct built by a streetcar company to extend Connecticut Avenue to the Maryland line.
The Klingle Valley Bridge—also known as the Connecticut Avenue Bridge over Klingle Valley and DC Bridge No. 27—carries Connecticut Avenue over the deep, wooded ravine of the Klingle Valley in…
William Knowles House: This old frame house demonstrates the Greek Revival style as it influenced the largely Federal early city.
This frame house illustrates the influence of Greek Revival on the city's generally conservative early domestic architecture. The William Knowles House is a wood frame, with clapboard siding painted…
The Lafayette: The Lafayette Apartment Building is one of DC's earliest remaining apartment buildings.
In the final years of the 19th century, the construction of the Lafayette in 1898 marked a shift in Washingtonians' housing needs. While it only held twelve units, comparatively small to future…
Marquis de Lafayette Statue: This monument honors the Marquis de Lafayette, a young French nobleman who fought for American Independence in both words and action.
This memorial commemorates the Marquis Gilbert de Lafayette, a French nobleman who at the age of twenty crossed the Atlantic to fight for American Independence, despite a royal decree prohibiting…
Lafayette Square Historic District: Across from the White House, this park has hosted many prominent public demonstrations and has served as a site of national symbolic importance.
Lafayette Square is the formal public park opposite the White House, and with its surrounding frame of buildings constitutes the Lafayette Square Historic District. The Historic District includes…
Laird-Dunlop House: The Laird-Dunlop House is a historic mansion in the Georgetown section of Washington, D.C.
This large Federal house was built in the 1790s by John Laird, a prosperous tobacco warehouse owner. Designed by William Lovering, the Colonial Revival style home is constructed with Flemish bond…
Langston Golf Course Historic District: Langston Golf Course represents desegregation of public golfing and recreational facilities.
Opened in June 1939, the eighteen-hole golf course was named for John Mercer Langston (1829-1897), who was the first dean of the Howard University School of Law, the first president of Virginia Normal…