MonstroCity Museum St. Louis
In front of the building is MonstroCity, opened in 2002 it's an interactive sculpture/playground featuring: two Sabreliner 40 aircraft fuselages suspended high in the air, a fire engine, a castle turret, a 25-foot (7.6 m) cupola, four-foot-wide Slinkies that can be crawled through, and two ball pits filled with large, rubber dodge balls.
City Museum was founded by artist Bob Cassilly who unfortunately passed in 2011. The museum is open seven days a week and admission is $10-$12 depending on time of entry. You can find complete visitor information on their website and Facebook page.
