Bust of Francesco Barberini

The National Gallery of Art is an art museum in Washington, D.C., United States, located on the National Mall, between 3rd and 9th Streets, at Constitution Avenue NW. Open to the public and free of charge, the museum was privately established in 1937 for the American people by a joint resolution of the United States Congress. Andrew W. Mellon donated a substantial art collection and funds for construction. The core collection includes major works of art donated by Paul Mellon, Ailsa Mellon Bruce, Lessing J. Rosenwald, Samuel Henry Kress, Rush Harrison Kress, Peter Arrell Browne Widener, Joseph E. Widener, and Chester Dale. The Gallery's collection of paintings, drawings, prints, photographs, sculpture, medals, and decorative arts traces the development of Western art from the Middle Ages to the present, including the only painting by Leonardo da Vinci in the Americas and the largest mobile created by Alexander Calder. The Gallery's campus includes the original neoclassical West Building designed by John Russell Pope, which is linked underground to the modernist East Building, designed by I. M. Pei, and is next to the 6.1-acre (25,000 m2) Sculpture Garden. The Gallery often presents temporary special exhibitions spanning the world and the history of art. It is one of the largest museums in North America. Attendance rose to nearly 3.3 million visitors in 2022, making it first among U.S. art museums, and the second on the list of most-visited museums in the United States. Of the top three art museums in the United States by annual visitors, it is the only one that has no admission fee.

The George Washington Memorial Building or George Washington Victory Memorial Building was a national building project supported by the George Washington Memorial Association which started in 1897 with a building project designed in 1914. The goal was to build a National University in the memory of George Washington as envisioned by him in his will. It was originally supported by Congress and personalities and U.S. presidents but failed due to a lack of funds. The donations gathered over the years were passed on to the George Washington University.

The Baltimore and Potomac Railroad Station, also known as Pennsylvania Railroad Station, was a railroad station that was owned by the Pennsylvania Railroad and operated by the Baltimore and Potomac Railroad in Washington, D.C., from July 2, 1872 until its closure in 1907. It was located at the southern corner of 6th street NW and B Street NW (now Constitution Avenue), now the site of the West Building of the National Gallery of Art. It was in this train station that United States President James A. Garfield was assassinated by Charles Guiteau.

James A. Garfield, the 20th president of the United States, was shot at the Baltimore and Potomac Railroad Station in Washington, D.C., at 9:30 am on Saturday, July 2, 1881. He died in Elberon, New Jersey, 79 days later on September 19, 1881. The shooting occurred less than four months into his term as president. Garfield's assassin was Charles J. Guiteau, who wanted revenge against Garfield for an imagined political debt and to elevate Chester A. Arthur to the presidency. Guiteau was convicted of Garfield's murder and executed by hanging one year after the shooting.

The L'Enfant Plan for the city of Washington is the urban plan developed in 1791 by Major Pierre (Peter) Charles L'Enfant for George Washington, the first president of the United States.

The Andrew W. Mellon Memorial Fountain is a bronze fountain sculpture by Sidney Waugh as a memorial to Andrew W. Mellon. It is located at the eastern tip of the Federal Triangle within the intersection of Pennsylvania Avenue, Constitution Avenue, and 6th Street NW in Washington D.C., United States. The fountain is across Constitution Avenue from the West Building of the National Gallery of Art. The Department of the Interior maintains the fountain, which President Harry S. Truman dedicated on May 9, 1952.

Man Controlling Trade is the name given to two monumental equestrian statues created by Michael Lantz for the Federal Trade Commission Building in Washington, D.C. under the United States Department of the Treasury Section of Painting and Sculpture. The works were dedicated in 1942. Each of the two limestone groups is approximately 12 feet tall and 16 feet long. In July 1937 the Section of Painting and Sculpture announced an open competition to design and execute two large sculptures for the Federal Trade Commission Building. The competition attracted over 500 models from 234 sculptors,

The National Hotel was a hotel in Washington, D.C. It was located on the northeastern corner of the intersection of Pennsylvania Avenue and 6th Street NW. John Gadsby had it built in 1826. The hotel was sold to the city in 1929, and it was demolished in 1942.In 1857, there was an outbreak of a mysterious illness at the hotel.During the Civil War, Confederate sympathizers met there.There were many notable people who resided at the National during their years in Washington. Two prominent politicians who lived here were Thomas W. Ferry and Henry Clay (who died at the National).John Wilkes Booth had been staying at the National Hotel, in Room 228, the night that he assassinated Abraham Lincoln.

The Federal Trade Commission Building, known historically as the Apex Building, is a federal building which serves as the headquarters of the Federal Trade Commission. Completed in 1938, the building was designated by Congress as a contributing structure to the Pennsylvania Avenue National Historic Site in 1966, and it was subsequently listed in the National Register of Historic Places.

The Federal Home Loan Bank Board Building is an historic structure located in Downtown Washington, D.C. It was listed on the National Register of Historic Places in 2007.

The Pennsylvania North is a high-rise building located in Washington, D.C., United States. The building was constructed in 1990. The building rises to 160 feet (49 m), containing 14 floors. The architect of the building was Hartman-Cox Architects. The building serves as an office use building.

The National Intelligencer and Washington Advertiser was a newspaper published in Washington, D.C., from October 30, 1800 until 1870. It was the first newspaper published in the District, which was founded in 1790. It was originally a Tri-weekly publication. It covered early debates of the United States Congress. The paper had a strong bias to Republicans and Thomas Jefferson.