Gilcrease Museum, Tulsa

Set on a 460-acre plot of land in northwest Tulsa, the Gilcrease Museum houses over 10,000 artistic pieces, including the world's largest single art collection from Western America. There are also a huge number of Native American artifacts and artistic offerings on display. Gilcrease also presents 23 acres of thematic gardens showcasing the gardening styles of different time periods in the American West. All of this is free of charge, with donations accepted. When you need a rest, feel free to browse the gift shop or enjoy a meal in the elegant Osage Restaurant. Free guided tours of the museum are also offered at 2p daily (special exhibitions are ticketed).