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.

Skulls and skeletons are omnipresent in this church dedicated to souls trapped in purgatory.

A dead saint, a deadly poison, and a mysterious holy ooze.

Where members of the Crossbow Corps of San Marino demonstrate their skills.

The San Marino-Rimini railroad was short-lived but this tunnel once provided shelter for hundreds of refugees during World War II.

The smaller of the three towers of San Marino is a former prison inaccessible from the ground level.

This 2,000-year-old Doric bridge is still open to pedestrian traffic to this day.

A massive 1830s industrial site once known as Czechia's "Iron Heart" has been transformed into a playground of science, technology, and art.

A tribute to the first human in space.

A cluster of headless, armless sculptures looms within a popular Polish park.