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The Hirshhorn Museum and Sculpture Garden is an art museum beside the National Mall in Washington, D.C., United States. The museum was initially endowed during the 1960s with the permanent art collection of Joseph H. Hirshhorn. It was designed by architect Gordon Bunshaft and is part of the Smithsonian Institution. It was conceived as the United States' museum of contemporary and modern art and currently focuses its collection-building and exhibition-planning mainly on the post–World War II period, with particular emphasis on art made during the last 50 years.The Hirshhorn is situated halfway between the Washington Monument and the US Capitol, anchoring the southernmost end of the so-called L'Enfant axis (perpendicular to the Mall's green carpet). The National Archives/National Gallery of Art Sculpture Garden across the Mall, and the National Portrait Gallery/Smithsonian American Art building several blocks to the north, also mark this pivotal axis, a key element of both the 1791 city plan by Pierre L'Enfant and the 1901 MacMillan Plan.The building itself is an attraction, an open cylinder elevated on four massive "legs," with a large fountain occupying the central courtyard.

The Army Medical Museum and Library (AMML) of the U.S. Army was a large brick building constructed in 1887 at South B Street (now Independence Avenue) and 7th Street, SW, Washington, D.C., which is directly on the National Mall. It was designated a National Historic Landmark in 1965 and added to the National Register of Historic Places in 1966. The building was demolished in 1969, and the collections at the focus of the landmark designation were dispersed.

Post-Balzac is a bronze sculpture by Judith Shea created in 1991 in an edition of three copies. It was exhibited at the White House, and the John and Mary Pappajohn Sculpture Park.

Delta Solar is a public artwork by Venezuelan sculptor Alejandro Otero located outside of the National Air and Space Museum in Washington, DC, United States. Delta Solar is meant to pay homage to modern technology and the Inca sun cult.

Kiepenkerl was originally a sandstone statue of a travelling merchant created by August Schmiemann in Münster, Germany in 1896. Destroyed in World War II, it was re-created in cast metal by Albert Mazzotti Jr in 1953. The statue now stands in a small square in the Old Quarter of Münster. In 1987 American sculptor Jeff Koons created a replica of the design in polished cast stainless steel.

Sky Hooks is a painted sheet steel sculpture by Alexander Calder, constructed in 1962. It is located at the Hirshhorn Museum and Sculpture Garden.

For Gordon Bunshaft is a 2006 sculpture by Dan Graham, installed at the Hirshhorn Museum and Sculpture Garden in Washington, D.C., United States. The work, which refers to American architect Gordon Bunshaft, was installed by the reflection pool of the Bunshaft-designed sculpture garden at the Hirshhorn on May 30, 2008.

The Arts and Industries Building is the second oldest (after The Castle) of the Smithsonian museums on the National Mall in Washington, D.C. Initially named the National Museum, it was built to provide the Smithsonian with its first proper facility for public display of its growing collections. The building, designed by architects Adolf Cluss and Paul Schulze, opened in 1881, hosting an inaugural ball for President James A. Garfield. It was designated a National Historic Landmark in 1971. After being closed since 2004, the building reopened in 2021 with a special exhibition, Futures, scheduled to run through July 2022.

Evocation of a Form: Human, Lunar, Spectral is an abstract bronze sculpture by Jean Arp. Modeled in 1950; it was cast in 1957.It is in the Hirshhorn Museum and Sculpture Garden.

Clamdigger is a bronze sculpture by Willem de Kooning. It may have been inspired by "the men who dug for clams along the beaches" near his home in East Hampton, New York. It has been described as one of his "extraordinarily tactile figurative sculptures" that "seemed pulled from the primordial ooze," and "as part man, part creature of the mud and the shallows."The sculpture was modeled in clay in 1972, and cast in bronze in 1976. It was his "first large-scale bronze work."As of 2014, Clamdigger is on display in the Hirshhorn Museum and Sculpture Garden.De Kooning, known for his abstract expressionist paintings, took up sculpture later in his career, after a 1969 visit with a friend in Italy "who had a small foundry."

Horse and Rider is a modern equestrian bronze sculpture by Marino Marini. Executed in 1952–1953, it is located at the Hirshhorn Museum and Sculpture Garden.After the Second World War, Marini developed a horse and rider theme, where the figure is not in control of his mount.

L'Enfant Plaza is an intermodal transit station complex located at L'Enfant Plaza in the Southwest Federal Center neighborhood of Washington, D.C. It consists of an underground Washington Metro rapid transit station and an elevated Virginia Railway Express commuter rail station. The Metro station, which opened on July 1, 1977, is one of four major interchange stations on the Metro system. It serves five of the six Metro lines: the Green Line and Yellow Line with two side platforms on the upper level; and the Blue Line, Orange Line, and Silver Line with one island platform on the lower level. The VRE station, which has a single side platform serving the northernmost of the three tracks of the RF&P Subdivision, is served by the Manassas Line and Fredericksburg Line.