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

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

This immaculate and historic water garden culminates in a massive stone dining table with an inset fountain for chilling the wine of the Cardinal's guests.

The home used in just a few seconds of film that came to define the setting of a hit sitcom.

Patrick Dougherty's fantastic living tree sculptures, mind-blowing but temporary.

This open air cathedral invites all faiths to worship under the only roof big enough to fit them all: the sky.

It is said the legendary wizard once lived in this sea cave beneath Tintagel Castle.

A unique waterfall that some believe attracts the fairfolk.

The world's largest collection of witchcraft regalia.

The only building in Louisville (hopefully) that contains two ancient holy skeletons.

An abandoned asylum where patients have been forgotten but their possessions remain.

The only freestanding table rock formation east of the Mississippi.

This former tuberculosis research hospital endeavored to cure the dreaded disease with fresh air and positive attitudes.

This elaborate estate contains a stunning marble aviary, a sunken conservatory, and a magnificent music room with a two-story pipe organ.

A hidden network of subterranean passageways lies tangled beneath Indianapolis' bustling City Market.

You were once able to challenge a chicken to tic-tac-toe at this park, which is now converted into the Aikman Wildlife Adventure.

The legacy of an unsolved, gruesome murder rests beneath the spans of this historic bridge.

You thought Santa Claus didn't exist, but it turns out you were wrong.

Symbolic attempt to overcome the issues of life.

Buildings from the fictional planet of Tatooine still litter the Tunisian desert.

A Scottish manor with a history of mysterious fires, magic, and eccentric tales

You'd never know the houses at 23-24 Leinster Gardens were fakes—until you see the train tracks on the other side.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.