148 feet long and in the middle of a verdant forest.

The fading, forgotten remains of a once bright and booming factory.

A science fiction-inspired apartment building designed by a famous Spanish architect.

An architect transformed this abandoned cement factory into his castle-like workshop.

This domed temple was built in a hidden cave mouth as a refuge for sinners seeking absolution.

More stones than Stonehenge, all scattered within a windswept landscape sure to enchant 'Outlander' fans.

A submerged archeological park still holds the wonders of a Roman Sodom.

Exceptional Nepalese food can be found in a Texas gas station.

An abandoned church gets a second life as a massive beer hall and event space.

The medieval legend behind this holy well was one of the inspirations behind "Alice's Adventures in Wonderland."

This frog-themed restaurant was frequented by Picasso, Saint-Exupéry, and more.

Volcanic rocks ground down into sand make this Spanish beach as black as night.

With print dying, this local paper keeps the lights on by doubling as a stunning cafe and cocktail bar.

For those going through a life transition, a place to leave behind a piece of your former self.

This shining multicolored metro station deep under Naples is said to be the most beautiful in Europe.

There's an exclusive Beefeaters pub hidden in the Tower of London.

In a 345-million-year-old cave that's 200 feet underground, dinner awaits.

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

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

This isolated island is often capped by its own fluffy cloud.

Classic game cookery takes center stage at what's widely considered London's oldest restaurant.

The first geometric self-supporting spiral stairs in Britain are a truly beautiful sight.

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.

This tiny home was originally a narrow alleyway.