Featured

The Summerhouse on the Capitol Grounds surrounded by pink azalea flowers.
A few ideas to help you in planning a visit to Capitol Hill.

Featured

Ten Steps to Energy Savings and Sustainability for your Office
The Architect of the Capitol’s Legacy of Sustainability began with the setting...

Featured

Cogeneration technology was identified as an energy efficient and cost...

Capitol Hill Map

Map

United States Botanic Garden – Bartholdi Park and Fountain

Bartholdi Park serves as a home landscape demonstration garden and showcases innovative plant combinations in a variety of styles and design themes. The U.S. Botanic Garden Administration Building and the Bartholdi Fountain are located in the park.

Full details on Bartholdi Park and Fountain and other USBG destinations are at usbg.gov.

Bartholdi Park and Fountain
100 Maryland Avenue, SW
20024 Washington , DC
United States
38° 53' 13.6176" N, 77° 0' 45.792" W

Cannon House Office Building

The Cannon House Office Building, completed in 1908, is the oldest congressional office building as well as a significant example of the Beaux Arts style of architecture. After the Cannon Building opened in 1908 all members of the House of Representatives had an office for the first time in the nation's history. Before this time some committee chairmen used their committee room as an office, but most members worked at their desk in the House Chamber.

Full details on the Cannon Building are at aoc.gov/house/cannon.

Cannon Building
27 Independence Ave SE
20003 Washington , DC
United States
38° 53' 12.9912" N, 77° 0' 26.676" W

Capitol Power Plant

The Capitol Power Plant provides steam and chilled water used to heat and cool buildings throughout the U.S. Capitol campus. In December 1910, the plant started operations, generating steam and electricity for the U.S. Capitol Building. In 1951 it ceased generating electricity. The plant has been enlarged many times to keep up with expansion of congressional offices and corresponding increase in heating and cooling demands of the U.S. Capitol.

Full details on the Capitol Power Plant are at aoc.gov/power-plant.

Capitol Power Plant
25 E St SE
20003 Washington , DC
United States
38° 52' 57.0936" N, 77° 0' 26.712" W

Capitol Reflecting Pool

The Capitol Reflecting Pool is located at the eastern end of the National Mall in Washington, DC. Six acres in size, it occupies over half of the area called Union Square. It is set into a plaza that includes, on the east, the Ulysses S. Grant memorial; to its west is a tree-dotted grassy area that extends to Third Streets, NW and SW. 

Full details on the Capitol Reflecting Pool and other destinations on Capitol Grounds are at aoc.gov/capitol-grounds.

Capitol Reflecting Pool 20016 Washington , DC
United States
38° 53' 23.2044" N, 77° 0' 49.032" W

Capitol Visitor Center

The United States Capitol is a monument, a working office building, and one of the most recognizable symbols of representative democracy in the world. Visitors are welcome to enter the building through the Capitol Visitor Center, located underground on the east side of the Capitol. The Capitol Visitor Center provides an increased focus on visitor comfort, safety and security resulting in a seamless, positive visitor experience at the U.S. Capitol.

Full details on the Capitol Visitor Center are at visitthecapitol.gov.

Capitol Visitor Center
East Capitol St NE & First St SE Beneath the East Front plaza of the U.S. Capitol.
20004 Washington , DC
United States
38° 53' 23.3268" N, 77° 0' 25.848" W

Dirksen Senate Office Building

The Dirksen Senate Office Building is the second of three office buildings constructed for the United States Senate.

Full details on all Senate Office Buildings are at aoc.gov/senate.

Dirksen Building 20002 Washington , DC
United States
38° 53' 34.1376" N, 77° 0' 19.6704" W

Ford House Office Building

The Ford House Office Building was constructed in 1939 as Washington's first "General Federal Office Building," which was conceived as an economical, all-purpose facility to house New Deal workers. After being used by the FBI for years it was declared surplus property and acquired by Congress in 1975. Today it is occupied mainly by staff of various committees of the House of Representatives, the Congressional Budget Office, and the Architect of the Capitol.

Full details on the Ford Building are at aoc.gov/house/ford.

Ford Building Washington , DC
United States
38° 53' 4.1316" N, 77° 0' 51.768" W

Garfield Monument

The tapered, cylindrical granite pedestal holds four over-life-size bronze figures, with the portrait statue of President James A. Garfield at the top and three allegorical figures representing different phases of his career below. 

Full details on the Garfield Monument and other destinations on Capitol Grounds are at aoc.gov/capitol-grounds.

Garfield Circle 20016 Washington , DC
United States
38° 53' 20.3316" N, 77° 0' 44.316" W

Hart Senate Office Building

The Hart Senate Office Building is the third office structure designed and built to serve the United States Senate. 

Installed in 1986 in the building's atrium was the sculpture Mountains and Clouds by Alexander Calder, creator of the mobile.

Full details on all Senate Office Buildings are at aoc.gov/senate.

Hart Building 20002 Washington , DC
United States
38° 53' 34.1376" N, 77° 0' 13.8852" W

Library of Congress – James Madison Memorial Building

Opened in 1980, measuring 500 feet wide and 400 feet deep, the Madison Building is the largest library structure in the world (It encompasses 1.5 million square feet of space). The Madison Building is an unusual combination of a national shrine contained in a working building serving both as the Library of Congress' (LOC) third major structure and as this nation's official memorial to President James Madison.

Full details on the James Madison Memorial Building and other LOC destinations are at aoc.gov/library-congress.

James Madison Memorial Building
101 Independence Avenue, SE
20540 Washington , DC
United States
38° 53' 13.1784" N, 77° 0' 16.776" W

Library of Congress – John Adams Building

The second building constructed for the Library of Congress (LOC) opened in 1939. For years it was known simply as "The Annex" before being named for President John Adams.

Full details on the John Adams Building and other LOC destinations are at aoc.gov/library-congress.

John Adams Building
120 2nd St SE
20002 Washington , DC
United States
38° 53' 18.4632" N, 77° 0' 10.008" W

Longworth House Office Building

Completed in the spring of 1933, the Longworth House Office Building is the second of three office buildings constructed for the United States House of Representatives as well as a fine example of the Neo-Classical Revival style popular in the second quarter of the 20th century.

Full details on the Longworth Building are at aoc.gov/house/longworth.

Longworth Building
9 Independence Ave SE
20515 Washington , DC
United States
38° 53' 12.3684" N, 77° 0' 30.456" W

United States Botanic Garden – National Garden

The National Garden opened in 2006 as a place for visitors to experience the diversity of plants, including the rose, America's national flower. A natural complement to the Botanic Garden Conservatory, the National Garden is an outdoor laboratory for gardening in harmony with natural ecosystems.

Full details on the National Garden and other USBG destinations are at usbg.gov.

National Garden 20024 Washington , DC
United States
38° 53' 16.5876" N, 77° 0' 52.884" W

Neptune Fountain

The Court of Neptune, the fountain at the front of the Thomas Jefferson Building of the Library of Congress, along First Street, S.E., adds a dramatic note to the building.

Passersby enjoy the play of the jets of water on the majestic bearded and muscular king of the sea; his sons the tritons blowing conches; the frolicking, horseback-riding Nereids (sea nymphs); and the water-spouting turtles, frogs, and sea serpent, placed in front of a grotto-like wall.

Full details on the Neptune Fountain and other destinations on Capitol Grounds are at aoc.gov/capitol-grounds.

Thomas Jefferson Building
68 First St SE
20004 Washington , DC
United States
38° 53' 19.2912" N, 77° 0' 20.736" W

Peace Monument

At the top of the Peace Monument, facing west, stand two classically robed female figures. Grief holds her covered face against the shoulder of History and weeps in mourning. Below Grief and History, another life-size classical female figure represents Victory, holding high a laurel wreath and carrying an oak branch, signifying strength. Below her are the infant Mars, the god of war, and the infant Neptune, god of the sea. The shaft of the monument is decorated with wreaths, ribbons and scallop shells.

Full details on the Peace Monument and other destinations on Capitol Grounds are at aoc.gov/capitol-grounds.

Peace Circle 20016 Washington , DC
United States
38° 53' 26.3292" N, 77° 0' 44.46" W

Rayburn House Office Building

The Rayburn House Office Building, completed in early 1965, is the third of three office buildings constructed for the United States House of Representatives. 

Full details on the Rayburn Building are at aoc.gov/house/rayburn.

Rayburn Building
45 Independence Ave SW
20515 Washington , DC
United States
38° 53' 12.5268" N, 77° 0' 38.124" W

Robert A. Taft Memorial and Carillon

The Robert A. Taft Memorial and Carillon consists of a Tennessee marble tower and a 10-foot bronze statue of Senator Taft. Above the statue is inscribed, "This Memorial to Robert A. Taft, presented by the people to the Congress of the United States, stands as a tribute to the honesty, indomitable courage, and high principles of free government symbolized by his life." The 27 bells in the upper part of the tower are among the finest in the world and were cast in the Paccard Bell Foundry in Annecy, France.

Full details on the Robert A. Taft Memorial and Carillon and other destinations on Capitol Grounds are at aoc.gov/capitol-grounds.

Robert A. Taft Memorial and Carillon 20001 Washington , DC
United States
38° 53' 33.8352" N, 77° 0' 39.636" W

Russell Senate Office Building

The Russell Senate Office Building (built 1903-1908) is the oldest of the Senate office buildings as well as a significant example of the Beaux Arts style of architecture.

Full details on all Senate Office Buildings are at aoc.gov/senate.

Russell Building
2 Constitution Ave NE
20002 Washington , DC
United States
38° 53' 32.9064" N, 77° 0' 25.5672" W

Senate Fountain

Between the U.S. Capitol and Union Station, located over the Senate underground garage, is the Senate Fountain. The fountain is a hexagonal granite monolith with high jets of water spouting from its center, surrounded by six smaller jets on a lower level. Lion-head spouts on the faces of the hexagon project streams of water into a large circular basin with a scalloped stone rim, over which the water spills into a larger oval basin.

Full details on the Senate Fountain and other destinations on Capitol Grounds are at aoc.gov/capitol-grounds.

Senate Park 20001 Washington , DC
United States
38° 53' 36.996" N, 77° 0' 32.58" W

Summerhouse

The Summerhouse, a hexagon-shaped brick structure set into the sloping hillside of the West Front lawn on the Senate side of the U.S. Capitol Building, has offered rest and shelter to travelers for over a century.

Full details on the Summerhouse and other destinations on Capitol Grounds are at aoc.gov/capitol-grounds.

Capitol Grounds 20016 Washington , DC
United States
38° 53' 29.1912" N, 77° 0' 38.268" W

Supreme Court Building

Finished and occupied in 1935, the Supreme Court building is a fitting home for the nation's third branch of government. Chief Justice William Howard Taft was behind the effort to provide the Court with its own building, moving out of the U.S. Capitol where it had been meeting since 1801.

Full details on the Supreme Court are at aoc.gov/scotus.

Supreme Court Building
1 First St NE
20543 Washington , DC
United States
38° 53' 26.3184" N, 77° 0' 15.912" W

Library of Congress – Thomas Jefferson Building

Until the Thomas Jefferson Building opened in 1897, the Library of Congress (LOC) was housed in the U.S. Capitol's west center building. When it opened in 1897, the new library was considered the most beautiful, educational and interesting building in Washington.

Full details on the Thomas Jefferson Building and other LOC destinations are at aoc.gov/library-congress.

Thomas Jefferson Building
101 Independence Ave SE
Washington , DC
United States
38° 53' 19.2912" N, 77° 0' 16.956" W

Thurgood Marshall Federal Judiciary Building

The Thurgood Marshall Federal Judiciary Building houses agencies that support the work of the United States Federal Courts including the Administrative Office of the United States Courts, the Federal Judicial Center, and the United States Sentencing Commission. It was completed in 1992 and two years later named for Thurgood Marshall (1908-1993), the first African-American to sit on the U. S. Supreme Court.

Full details on the Thurgood Marshall Building and other Supreme Court destinations are at aoc.gov/scotus.

Thurgood Marshall Building
1 Columbus Circle Northeast
20002 Washington , DC
United States
38° 53' 47.6376" N, 77° 0' 16.524" W

U.S. Capitol Building

The U.S. Capitol Building is among the most architecturally impressive and symbolically important buildings in the world. It has housed the meeting chambers of the Senate and the House of Representatives for over two centuries. Begun in 1793, the U.S. Capitol has been built, burnt, rebuilt, extended and restored; today, it stands as a monument not only to its builders but also to the American people and their government.

Full details on the U.S. Capitol Building are at aoc.gov/us-capitol-building.

U.S. Capitol Building
East Capitol St NE & First St SE
Washington , DC
United States
38° 53' 23.7336" N, 77° 0' 32.544" W

Ulysses S. Grant Memorial

Situated in Union Square at the edge of the reflecting pool and backed by the United States Capitol, the bronze and marble General Ulysses S. Grant Memorial honors the Civil War Commander of the Union Armies who was also a two-term President (1869–1877).

Celebrated as the largest equestrian monument in the United States, it is 252 feet long by 71 feet wide by 44 feet high and is a tour de force of monumental sculpture. 

Full details on the Ulysses S. Grant Memorial and other destinations on Capitol Grounds are at aoc.gov/capitol-grounds.

Capitol Reflecting Pool 20016 Washington , DC
United States
38° 53' 23.2044" N, 77° 0' 46.476" W

United States Botanic Garden – Conservatory

The U.S. Botanic Garden (USBG) Conservatory is delightful to the senses and refreshing to the spirit. From jungle to desert to primeval paradise, the indoor gardens and galleries of the U.S. Botanic Garden highlight the diversity of plants worldwide, as well as their aesthetic, cultural, economic, therapeutic and ecological significance.

Full details on the Conservatory and other USBG destinations are at usbg.gov.

U.S. Botanic Garden Conservatory
100 Maryland Ave SW
20024 Washington , DC
United States
38° 53' 17.7036" N, 77° 0' 46.404" W