The world's only three-story rotary jail is now a museum to a bizarre trend in prison design.

Eight feet in diameter and more than 24 feet around.

A small burial plot formerly stranded in the middle of a road.

The notorious couple camped at this site after a bloody shootout with police.

The remains of a bustling turn-of-the-century park built to showcase the wonders of electricity.

A hidden barn-sized rendition of Grant Wood's most famous, and most parodied, painting.

A pop-culture attraction outside of Dyersville, Iowa, hits a home run.

A giant pair of thick black glasses mark the tragic demise of a trio of rock and roll legends.

This zombie-themed restaurant stands out in the heart of corn country.

Beating out all other concrete competitors, this massive garden feature's pointy hat has earned it a world record.

A number of gruesome unsolved murders have turned this simple home into a morbid tourist trap.

A half-mile long and three stories high, this bridge over the Des Moines River Valley mimics a descent into a mine shaft.