The Solomon R. Guggenheim Foundation is a nonprofit organization that operates several museums around the world, including the Solomon R. Guggenheim Museum in New York City. The foundation was established in 1937 by philanthropist Solomon R. Guggenheim and artist Hilla von Rebay. The Guggenheim Museum in New York City, which opened in 1959, is known for its unique architecture and its collection of modern and contemporary art. The foundation also operates museums in Venice, Bilbao, and Abu Dhabi. The foundation's mission is to promote the understanding and appreciation of art, architecture, and other forms of visual culture.