Part modern art project, part traditional chapel, this see-through church is only substantial from the right angle.

This unique exhibit "Dialogue in the Dark" reverses roles as the visionless become guides and the sighted become ‘blind.’

This iconic pavilion in Barquisimeto has a roof made from 16 “petals” that open and close depending on the weather.

The centuries-old trees are draped with Spanish moss to make them look like wizened elders.

The enormous appendage offers spectacular views of Colombia's Huila Department.

An early-20th-century "dacha" village of quaint cottages curiously located in a modern part of Moscow.

Europe's only museum solely dedicated to the history of whaling still has a fully-functioning whaling ship.

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

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

One Confederate statue that accurately reflects the ugliness of its subject.

Located in the mountains of Nicaragua, one man has spent most of life beautifying a massive cliff by hand.

Infamous and now demolished panopticon prison built by its former inhabitants.

Strange masks and obscure costumes are housed in this old Madrid corrala.

An old, deep well, connected with a miraculous, divine rescue and the patron saint of Madrid.

Remains of the lost church hide beneath this Spanish Parliament building.

A towering monument in Spain has proven to be more labor-intensive than initially planned.

A subterranean relic of the Spanish Civil War hides below this picturesque park.

This lucky bronze frog was gifted to Madrid by a casino.

Commonly acknowledged as the only public monument to the Devil himself.

A former special storage facility for documents during the Cold War.

Former estate of Lenin, now home to his death mask.

A trailblazing sovereign nation tucked in the American state of Wisconsin.

Statue dedicated to the star of an old television show.

Literally a million fascinating cartographic artifacts are held in this sprawling university collection.