Standing proud atop a Turkish bluff, this Ottoman palace has retained its grandeur despite being abandoned for centuries.

Flames have been burning within this mountain for more than 2,500 years.

An abused and forgotten metropolis, abandoned for centuries.

This famous city eluded concrete detection until the early 2000's.

A Lycian city of the dead carved into the hillside of Southern Turkey, complete with startlingly human touches.

This hunter-gatherer architecture is believed to be the oldest religious complex known.

A deadly ancient portal to the underworld.

Take a stroll through the hellish grotesques of Hieronymus Bosch in this elaborate Netherlands church.

Little island known for its massive beachfront "flowerpot" pillars.

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

A book collector's dream, this Toronto bookstore has the world's first "Biblio-Mat," a random book vending machine.

A botanically themed auditorium blooms within the world’s last operating double-decker theater.

This natural sea cave hides a small wonderland of natural turquoise beauty.

This Toronto garden collects stares and tchotchkes in equal measure.

A boardwalk winds above this beautiful bog full of wildlife and a rare type of turtle.

Canada's subterranean Cold War museum has doubled as a movie set.