Somewhere there is a giant who can no longer poop, but now travelers can stay inside his anus.

Statue of death tucked in the University of Medicine courtyard.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

This disused VLF radio station is no longer in service but the surrounding town still bears its name.

A boulder carved into the shape of the cosmonaut's head.

Countless stories attempt to explain Poland's mysterious J-shaped trees.

Come stay at a live-in art installation.

The world's most delightful not-NOT-religion welcomes visitors to the town of Templin, just like its more stoic peers.

This little museum is making sure that the art and history of the graffiti sticker is not scraped from history.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

Tallest - but not most powerful - wind turbine in the world.

The metal-free wooden towers of Brück.

Solar observatory doubles as a daring display of Expressionist architecture, much to Einstein's chagrin.

The music is over at the Ballhaus Riviera Ballroom, but the ballroom remains in haunting disrepair.

This conical hill was built as a testing ground for an engineer known as the Glider King.

An abandoned NSA listening post on Berlin's "Devil's Mountain."

An eerie, derelict amusement park in Berlin.

A surreal museum of extraordinary industrial objects.

Art and a pun, all in one.

Serbia's master of striking memorials erected a forgotten, hidden gem in the hills outside a tiny village.

Destroyed Serbian army headquarters sits half crumbled in a largely revitalized Belgrade.

Structure built from the skulls of vanquished foes.

This massive stone and steel monument remembers a century-old battle that cost thousands of lives and nearly destroyed the city.

A pair of connected skyscrapers form this symbolic gateway.