Once the product of an inexplicable gold strike, this ghost town is now home to one man and his love of classic machines.

Strange physical sensations and optical contradictions keep visitors coming back for more.

A theme park attraction designed to turn your children into LARPers.

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

Restaurant in Northern Wisconsin comes with a unique feature: a grassy roof covered in living goats.

A deteriorating 1990s Girl Scout camp in a beautiful lush park on Lake Ontario.

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

The show pony of cave systems, Fantastic Caverns manages to live up to its name.

The world's largest occupied bat houses hold hundreds of thousands of flying mammals.

Over 12,500 words are scrawled across each room of this historic plantation house and no one knows why.

Oldest unrestored plantation house in America that is open to the public.

This sprawling mini-golf empire is an impressive testament to a disappearing attraction.

Abandoned railroad tunnel is home to a colony of three million Mexican free-tail bats.

Paranormal investigators claim this abandoned asylum is the most haunted spot in the eastern U.S.

Upside-down trees serve as natural flower pots in this hanging garden of Alaska.

With some 500,000 books across five buildings, this bookstore is a reader's paradise.

A monument celebrating the idea of reaching inaccessible places.

A working cattle ranch with remarkably well-preserved prehistoric petroglyphs and ancient ruins.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

"the sweltering inhabitants of Charleston and New Orleans, of Madras and Bombay and Calcutta, drink at my well . . . The pure Walden water is mingled with the sacred water of the Ganges."

This modest post office sits on the site of H.H. Holmes' famous murder castle.

It was once the base for a series of domestic terror attacks.

A downtown park built on top of unclaimed graves.

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.