The remains of a town so thoroughly destroyed by French forces that the citizens simply left.

This quaint Italian town keeps losing ground as the sides of its plateau slowly erode.

Water and windows define this defensive Italian well.

This 16th-century monastery has been turned into a surrealist architecture compound.

Roman-era ships unearthed...

This abandoned Brutalist treehouse is a hidden architectural relic.

This magical-looking island is notorious for the misfortunes suffered by its owners.

Crossing this suspension bridge feels like walking through the sky, a fitting tribute to the head of the Apollo program.

An amazing collection of wax anatomical models and terratological models.

An Italian hillside ghost town.

This unusually shaped mountaintop tower looks like a UFO floating over the city.

Retirement home for giant obsolete machines.

The industrial monstrosity known as Bagger 258 is a colossal mining machine built in the DDR - but now left for dead in a German field.

The soulless eyes of 82 bronze children stare on forever in remembrance of a horrifying World War II massacre.

The mystery of the Putim Ossuary involves a tricorn hat.

Unique house covered in a nightmarish mural of demons, ghosts and monsters.

Underneath this small church are 15,000 bones, arranged by an obsessive academic.

These 17th-century mummies are no longer naturally preserved, but remain on display today.

Mummified monks and the accidentally interred, in a 17th-century crypt.

Looming communist pillar with a Czech twist.

A steampunk-styled three-floor factory churning out art, activism, and electronic beats.

A former ironworks that was the first UNESCO industrial site.

Museum design and public transportation meet in this unique Russian train car.

World's largest bell sits on the grounds of the Kremlin in Moscow.