All that's left of the quintessential "cabin in the woods."

A lush green oasis in the middle of Chicago.

This naturally-sourced hot spring is now home to a clothing-optional resort.

Crypt mausoleum in cathedral's basement contains relics of third century Roman martyr, Saint Vibiana.

Where manatees are the snowbird vacationers in these balmy Florida springs.

An underwater city for the dead.

The first declared National Monument in the United States.

A museum dedicated to the history and exploration of both popular music and science fiction.

Here, at the "world's longest art gallery," you'll find forty miles of ancient petroglyphs and pictographs.

An enormous illuminated figure dances on the Las Vegas strip.

A blacklight mini-golf fever dream pays tribute to the iconic rock band.

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.

This incredible collection of vintage pinball machines can be played at 25 cents a pop.

James Turrell's total color immersion art installation, hidden on the top floor of a luxury handbag shop.

This colorful creation wasn't always a welcome part of Toronto's Moccasin Trail Park.

An astounding annual light display honors the victims of one of Japan's most devastating earthquakes.

The world’s first hotel to be run by robots.

Enormous underground chamber built to detect 'ghost particles' of the universe.

One of the first hotel rooms in a pod.

A bronze statue dating back as far as 1252, still has remnants of gold on its right cheek from ancient gilding.

This pond is so stunning it looks like you've stepped into one of Monet's masterpieces.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

One of Canada's most incredible rare book collections holds hundreds of thousands of gorgeous tomes that the general public can touch.

Japanese national treasure originally built in 593 CE.