This centuries-old Italian chapel hangs midway down a sheer cliffside.

Sleep amongst an abundance of art from the modern era.

Ride a dragon train into a world of dwarves.

This whimsical stacked cabin looks like something out of a children's book.

Four-story concrete hotel never opened to customers.

This chilly Canadian hotel has a four-month lifespan due to the unusual material it's made of.

The largest free-standing aquarium in the world resides in a hotel lobby in Berlin.

This Luxembourg cave is covered in cryptic looking marks left by mining activity.

Once the local rulers had gone these enchanting ruins housed common folk in an almost real life fairy tale.

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

This noble mash-up in eastern Luxembourg is part Medieval, part Renaissance, all castle.

This tri-part waterfall is a little bit of fairytale beauty in the heart of Luxembourg's Little Switzerland.

An expansive complex of subterranean tunnels is all that remains of one of Europe's most formidable medieval fortresses.

Looking like nothing more than a cartoon deserted island, this tiny sandbar is home only to a single umbrella.

Starting with nothing more than discarded conch shells, one man has built an island/bar that would make Jimmy Buffet jealous.

A gallery of underwater art that can be visited by man and fish alike.

An underwater city for the dead.

Underwater restaurant at the coral reefs of Eilat.

Fine dining 20 feet below the surface in the Indian Ocean.

Underwater art project will double as a massive artificial coral reef to help regenerate the damaged ecosystem.

An underwater restaurant, surrounded by a coral reef.

This luxury hotel suite is located deep in the bowels of an old mine.

A floating underwater hotel, created by a Swedish artist.

The world's first interactive human body museum also serves as a chair for a giant orange man.