A Playground For Grown Ups - MonstroCity at the St. Louis City Museum in Missouri; Visitors can crawl through a series of wire tubes and explore the interior of two planes. ...I have to agree with someone who commented about this place: really cool, but a fire marshall's nightmare...
The City Museum in St. Louis, MO - Better than Disneyland
St. Louis City Museum/ giant jungle gym for adults and kids alike....and theres a bar inside. What better way to have fun than get a little bit lit and climb on several stories worth of real life shoots and ladders!
City Museum: A 10-Story Former Shoe Factory Transformed into the Ultimate Urban Playground (Colossal)