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In this episode of The Atlas Obscura Podcast, we visit the City Museum where, in 1993, Bob Cassilly began to turn an old shoe factory into a massive interactive museum that now includes a plane fuselage, caves, and a ten-story slide.

Our podcast is an audio guide to the world’s wondrous, awe-inspiring, strange places. In under 15 minutes, we’ll take you to an incredible site, and along the way you’ll meet some fascinating people and hear their stories. Join us daily, Monday through Thursday, to explore a new wonder with cofounder Dylan Thuras and a neighborhood of Atlas Obscura reporters.

Mike Schmid, CC BY-SA 2.0/Flickr