Planes, trains, and automobiles have all been sunk as attractions at this Illinois diving spot.

A historic and oft-filmed prison stands in a Chicago suburb.

An abandoned observatory in the middle of the Illinois prairie.

Oversized statues are just the tip of this nostalgic Americana roadside attraction.

Former hotel turned into haunted playground.

This overgrown Illinois water park offers a whole new type of adventure.

River pirates, murderous bandits, and serial killers used this Illinois cave as their debauched hideout.

A once-booming Mississippi River town with a history of racial violence is now eerie and mostly abandoned.

This morbid, delightful curiosity shop offers everything from animal bones to human teeth.

A Studio on the Fringes of the Northeast Art District.

Sculpture garden and miniature golf course blend together in the oversized backyard of a Minnesota sculptor.

The Art Deco Silver Screen.

The watery grave of an impractical idea.

For over a century, it was a crucial center of mental health treatment and also the source of many local legends.

Come for the giant taxidermy lion, stay for the knick knacks at this Minneapolis curiosity shop.

A spooky defunct railroad tunnel now part of a sprawling trail.

The Midwest's reigning king of surplus stores is full of nothing you need and everything you want.

An unusual assortment of art, furniture, and other curiosities.

These curious caverns have been home to mushrooms, gangsters, and disco.

An architecturally-focused antique shop.

This large midwestern cavern features impressive rock formations and an underground waterfall.

Half of a waterfall goes into the river while the other half seems to disappear.

The museum moved on, but the diorama remain.

A crumbling mountain resort that looks like it was abandoned in an instant.