The complex has been abandoned since the Croatian War of Independence, barring a stint as a set for 'Game of Thrones.'

Shop selling 500 flavors of soda has something for everyone.

A beautiful example of 18th-century engineering still standing tall.

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

This expansive bridge in the Canadian wilderness was originally just built for friends.

A mysterious spot where the laws of gravity seem not to apply.

Two massive rock outcroppings on the Oregon coastline.

This life-size monument honors the legacy of a famous literary feline.

The longest fence in the world stretches over 3,000 miles to keep the dingoes out.

A small cemetery chapel designed by Frank Lloyd Wright and built in 1906.

These secluded and abandoned anti-aircraft defenses have become one the most scenic viewpoints in Barcelona.

This public space is speckled with the eerie remnants of a defunct amusement park.

The first outlet of Canada's biggest fast-food franchise has been slinging doughnuts since 1964.

A self-built castle made by a mysterious man.

This collection of vintage signs reflects the long and colorful history of this Arizona town.

The tallest bridge in California was constructed for a project that was eventually cancelled.

These waterfalls can be twins or triplets, depending on how much it's rained recently.

These massive concrete balls were used to mine gold in Virginia.

Hidden in a grotto 26 feet below Nottingham's oldest hotel, this stylish subterranean drinking den is notoriously hard to find.

These mysterious ruins are hidden amid this sleepy coastal city.

The longest and widest floating bridge in the world.

A medieval military street hidden beneath a charming French fishing village.

Once named the “world’s oldest gas station” due to its unusual construction material.

Houses are tucked between, on, and underneath giant boulders.