Built to house a chapter of the Knights Templar, this grandiose building is a relic of Freemasonry in Chicago a century ago.

This historic-shipwreck-cum-diving-spot can still be seen poking its boiler out of the Lake Michigan waters that claimed it.

A lush green oasis in the middle of Chicago.

These abandoned grain silos and tunnels are an urban exploration dream.

If astronomy had a ghost, it would look like this observatory.

Urban explorers embraced America's now demolished first suburban mall, south of Chicago.

Cold War missile launch site which has been converted to a public park.

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

The longest navigable underground river in the United States is home to countless blind and albino animals.

This remote island in Iowa was abandoned after being devastated by flood.

Former hotel turned into haunted playground.

The abandoned remnants of a little sanctuary for world peace that fell into disrepair.

Home of an evil witch famous within southern folklore.

Instead of becoming a power plant, this abandoned complex became a massive letdown.

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

A landscape of massive spherical boulders are the main attraction in this Kansas State Park.

Crumbling Kennedys and a decaying Tecumseh are just some of the haunting remains of one man's cement art trail.

Millions of dollars worth of sculpture decorate this Iowa city center.

The world's third-largest scale model of the planets.

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

William Faulkner kept his beloved estate wild and untamed.

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

An enormous natural sandstone bridge in Kentucky.

Home to the story of the outlaw turned funhouse mummy, Elmer McCurdy.