City Museum, St. Louis, MO

The best museum in the world hosts countless physical challenges. From climbing to crawling, and sliding to balance challenges, the City Museum, St Louis, MO is one of my favorite places in the entire world. Really. It is an interactive art exhibit/fantasy world with 50's memorabilia and insect collections. It's housed in a giant repurposed old building that forces you to explore numerous primal movement patterns just to get around. IT IS THE BEST.