This huge metal monument is slowly being stripped to its concrete skeleton.

Gargoyle head that brings good luck.

The remains of a sunken military ship wreck visible through clear water.

Legend has it fairies gathered at the site of this medieval castle.

This truly palatial work of Communist-era architecture now sits crumbling on a Croatian beach.

Large, airy hallways hide within an impenetrable fortress that beckons urban explorers.

Yugoslavia's biggest underground airport lies in ruins.

A wonderfully strange collection of 500+ stuffed frogs doing people things.

An ethereal glowing blue ocean cave in Croatia.

A concrete mushroom that divided Stockholm residents for nearly a century.

A small Wyoming town is home to the state's oldest-operating soda fountain.

Once a highly polluted body of water has now been transformed into a gorgeous lagoon.

This riverside restaurant has been serving customers since 1146.

One of the oldest and largest castles in the world.

Ancient structures used to make and preserve ice in the deserts of Persia.

This collection of 80 polarizing foods aims to challenge your subjective notions of repulsion.

This excellent museum recreates the boom days of the herring rush in the "Atlantic Klondike."

Eat a Nobel banquet from any year in the basement of Stockholm's City Hall.

The world's largest underwater restaurant is submerged off the southern tip of Norway.

In the Hugging Tree Forest, lingonberry marshmallows, hot chocolates, and the best campfire lattes north of the Arctic Circle come to you.

The dining hall that nourishes workers in Chernobyl's Exclusion Zone is also open to visitors.

3,000 market stands in five former Zeppelin hangars.

A mesmerizing landscape of 18th-century cellars carved out of the land.

The world's first floating farm is staffed by one human, three robots, and 35 cows.