Bob Cassilly's Incredible Loft at the City Museum Is For Sale [PHOTOS]

City Museum founder Bob Cassilly’s personal loft has hit the St. Louis real estate market. The mad genius passed in 2011 and we've been missing his magic ever since.

The City Museum opened in 1997 and immediately became a top destination for both tourists and locals. The 10-story downtown building is an indescribable combination of playground, sculpture and interactive art. The first few floors are the heart of the City Museum, but what’s been crafted above might be even more interesting.

In addition to the fantastic rooftop play area (which includes a massive slide and has a school bus hanging off the roof), there are lofts and business areas on the top floors that have been a mystery to most visitors for the 25 years the City Museum has been open. Cassilly's river retreat was sold just about six months ago and now we get to look in on his city property, too.

As the listing photos make clear, Cassilly’s three-bedroom, two-bathroom condo was 2,763 square feet of wonderfully weird space. Not only does it have huge walk-in closets, custom bathrooms and giant commercial-grade windows, the corner unit also has a play area and a tunnel for kids (or adventurous adults) to crawl through.

Cassilly’s personal touches can be seen throughout the condo, from the wild shower designs to the mirrored walls to the “I went to City Museum … and I DIDN’T get hurt!” sticker that’s featured prominently in the kitchen.

For more information on this $450,000 property, visit the listing page or contact Greggory Sharpe of HSG Realty at 314-669-9056.