Bacteria and algae give the salty water its bubblegum hue.

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.

This tiny German village has staked claim to being the center of the union following Brexit.

A sprawling Baroque park with 300-year-old hydro-pneumatic waterworks.

This wrecked ghost ship has been rusting on a Greek beach since the 1980s.

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

Ruins of a 13th-century fortress perched above a breathtaking Mediterranean bay.

A magical, if a bit tacky, 1960s castle conjures up medieval fairytales and Greek mythology.

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

A 17th-century doorway in a small Sabine village is a portal into the mysteries of alchemy.

Romans built the world's tallest artificial waterfall in 271 BC.

When occupying Nazi troops detonated a mine below, medieval frescoes were revealed in this small cliff-side hermitage.

This long-abandoned village sits across a narrow gorge from a still-inhabited settlement that was once its twin.

This medieval mountain town is also known as the "Village of Streams."

What appears to be an ancient Roman temple is actually a Catholic church.

During World War II, a number of important sculptures and paintings were moved to this castle for safekeeping.

The oldest operating pharmacy in the world features 800-year-old recipes.

The abandoned "Ghost Mansion" was left to decay in the mountains of Northern Italy.

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

This region of the Perugia municipality has an unforgettable name.

The eerie ruins of this feudal fortress witnessed the execution of 60 conspirators in 1387.

This lesser-known leaning tower is all that remains of the medieval castle of Vernazzano.