St Louis City Museum

It’s a huge playground, made almost entirely of recycled components, where every piece of art and architecture is interactive. At any given time of day (and up until 1:00 A.M. in the summer) adults and children play in underground cabins, on roped circles of sturdy wire suspended high above the building, and even in a “skateless” skate park (on the building's third floor) with ramps and ropes. The museum is frequented by such celebrities as Miley Cyrus and the Jonas Brothers. The Museum also hosts concerts. The City Museum is an insurance nightmare, but also is indisputably a legendary St. Louis institution. It was founded in 1993 by St. Louis sculptor and entrepreneur Bob Cassilly (1949– ) and his second wife, Gail, who envisioned an artistic structure right in the heart of downtown St. Louis with a revolving set of unique, hands-on exhibits. It's more mayhem than museum.