The second-largest Jewish temple in Bulgaria was deserted after World War II, seized by the communist government and then abandoned again.

An ancient Thracian city where fire rituals were practiced on the largest cult altar in Southeast Europe.

This once-grandiose behemoth of a monument from the socialist era now sits quiet and closed up.

The legendary luxury train passage is commemorated with a charming museum inside its former eastern terminus.

A fountain standing as a testament to a doomed alliance.

Those who own or stay at this 500-year-old, allegedly cursed house often meet terrible fates.

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

These gutted monastery ruins still stand proudly in the middle of the Italian countryside.

A lonesome Moai stands in a small Italian town some 9,000 miles away from its Easter Island brethren.

Crushed coral and crystals give the sand its signature coloration.

Gigantic mosaic sculptures of the figures on Tarot cards fill this colorful Tuscan garden.

This hidden Art Nouveau courtyard is an opulent feast for the eyes.

Thousands of well-dressed mummies below a monastery.

This otherworldly palace-mausoleum complex is the stuff eternal dreams are made of.

Centuries-old bridges grown from tangled roots.

No one knows for sure why this town's dead refuse to rot.

An abandoned horror film set sits eerily along a highway through Hollywood's "door to the desert."

Founded as a refugee camp, now a popular tourist spot.

Skeletons dressed in extravagant 18th century royal costumes cavort in the aisles of this German basilica.

An eccentric artist's abode in this small Italian town has been transformed into a surreal temple of mosaic madness.

From Tintin to the Smurfs, Europe's greatest graphic icons are celebrated in a grand Art Noveau gallery.

One person's lost luggage is another person's treasure.

The glowing blue Nymphaeum of Emperor Tiberius.

Frida Kahlo's childhood home, now a museum of her life and works.