The historic tower houses of this nearly abandoned Greek town have been compared to the spikes on an iguana's back.

This Belgian observatory bears a striking resemblance to Futurama's Planet Express building.

The vast chamber inside this abandoned cooling tower looks like something out of a sci-fi dystopia.

The Belgian royal family's private depot now stands abandoned and forgotten alongside the tracks.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

Abandoned cemetery of the former Psychiatric Hospital of Volterra.

This real life asylum of horrors is now an abandoned ruin that hides the unbreakable code to one patient's insanity.

This small Spanish village still pays homage to the Spaghetti Western films that were shot there in the 1960s.

This abandoned gold mine found a second life as a post-apocalyptic film set.

One of Belgium's oldest hospitals saw patients from the 13th to 20th centuries before becoming a museum.

Does this strange mural depict witches battling beneath a penis tree?

Nestled in the hills of Tuscany are gorgeous, multicolored hot springs.

These medieval skyscrapers dominate the skyline of this small Tuscan town.

A 16th-century horror show built in a lovely Italian garden.

This rusted car found in Petrified Forest National Park's Route 66 exhibit may be the most photographed abandoned car in the country.

The location where the iconic movie character declared it was time to go home.

The hidden ruins of an old hydroelectric plant reclaimed by nature.

The private train station King Leopold II built for the Belgian royal family now lies abandoned.

This former coal mine, now a fascinating museum, was the site of Belgium's worst mining disaster.

Most-visited and most-photographed slot canyon in the American Southwest.

When it was built in 1929, this historic bridge was the only place to cross the Colorado River for 600 miles.

Rare karst landscape eroded from a flat seabed.

This tunnel was built in order to protect the village of Daroca from flash floods during rainy seasons.

A site where “the ravages of the war are more striking…than any other place in contemporary Spain.”