Popular tourist destination where witches in dark hats sell dried llama fetuses for good luck.

The skull of the patron saint of lovers lies in the Basilica di Santa Maria in Cosmedin—maybe.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

The drama of nature in full effect in this Nevada State Park.

The last standing example of an ancient district's teatime tradition.

The cave holds a spectacular array of stalactites and stalagmites, including one shaped like a giant human heart.

A small but hugely whimsical theater where marionettes play out the "The Battle of Stalingrad."

This architecturally eclectic fortress witnessed centuries of bloody turmoil, including the massacre of its ruling clan.

Legend says these stone structures are where the doomed citizens of a vanished village sent themselves to die.

This neon lit Georgian cave claims to hold the boulder Prometheus was chained to.

Unusual building appears to be haphazardly built from randomly piled bricks.

Take respite inside this jaw-dropping church while climbing the volcano where Georgia's Prometheus was once chained.

Fortified homes of highland warriors that are still in use today.

These Stalin-era industrial 'death traps' hang lifeless above the city

Small church on top of a huge rock column.

Rock-hewn monastery complex with hundreds of cave structures tucked away into the mountainside.

Underground monastery and fortress.

Ancient rock-hewn town that witnessed key events of Georgian history.

Luxury hotel turned into a refugee camp, then turned back into a luxury hotel.

At this rare mosque in Tbilisi, Sunni and Shia Muslims pray side by side.

The secret room where early Bolsheviks cranked out propaganda fliers on a smuggled printing press.

The charmingly disheveled clock tower of Tbilisi's puppet theater.

The Icelandic Sea Monster Museum explores the area's history of aquatic cryptid sightings.

The most alien-looking place on Earth.