Ithaca, United States of America
Several of the floors have steady exhibits, but they bring in new art and other, sometimes interactive exhibits several times a year. The 5th floor houses an impressive collection of Asian art but also happens to have one of the nicest views of Ithaca, the Cornell campus, and Cayuga Lake.
Listen to the audio guide for Johnson Museum of Art Free on WIP — starts by itself when you arrive, even with the screen off