This antique thermometer honors the creator of the first universal temperature scale.

A merchant court dedicated to the fictitious King Arthur is heavily adorned with bizarre Renaissance art.

These rare statues are one of the few remaining material witnesses to Old Prussian culture.

During the renovation of this bas-relief, the constructors added one unusual element.

A mysterious emblem tucked in an small alleyway is actually the coat of arms of a heroic medieval family.

A huge wooden clock that is so beautiful its creator was forcibly blinded.

Several 12th-century ruins can be found inside this historical market.

One of the world's largest amber altarpieces is housed within this reconstructed medieval church.

A floundering Polish shipyard was once the soul of the Solidarity movement that capsized communism.

The site of the first battle of World War II.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

This abandoned Greek island was the last active leper colony in Europe.

This stone tower was built to protect Crete from incoming pirates.

A forgotten remnant of the Soviet Union, Transnistria is an unrecognized country hidden behind a heavily militarized border between Moldova and Ukraine.

This abandoned Soviet circus is slowly being restored to its Communist-era glory.

A statue dedicated to the founders of communism.

At less than four inches in height, this iconic fictional character is the smallest public statue in all of Moldova.

This hauntingly beautiful cemetery outside a medieval citadel is full of winding paths and ivy-covered graves.

Nine centuries-old fortresses guard the walls of this medieval Romanian city.

This cubist Vienna church building looks like some sort of alien stonehenge.

Admire dozens of life-size animals made from old scrap metal, nuts, screws, and valves.

Dedicated to a synagogue that was destroyed after having survived World War II.

This spaceship sculpture in the middle of the Slovakian capital looks like it just crash-landed.

People have been living in the cave houses on this Italian hillside since the Neolithic era.