The National Gallery of Art is a national art museum, located on the National Mall in Washington, D.C. Open to the public free of charge, the museum was established in 1937 for the people of the United States of America by a joint resolution of the United States Congress, with funds for construction and a substantial art collection donated by Andrew W. Mellon. Additionally, the core collection has major works of art donated by Paul Mellon, Ailsa Mellon Bruce, Lessing J.