Debatably clever, or just plain honest hotel advertised as "The Worst Hotel in the World."

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

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

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

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

Small church on top of a huge rock column.

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

A literally moving statue of stacked metal giants just continually trying (and failing) to find love.

Tower with a double-helix spiral, adorned with letters of the Georgian alphabet.

The first skyscraper to include a Ferris wheel built into the facade.

Underground monastery and fortress.

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

Stripes of human ashes cover a back lawn in the most sought-after burial grounds in Paris.

These four islands right offshore have waterfalls, colorful lights, fancy buildings, and a secret purpose.

A museum glorifying the life of Stalin, located in the city of his birth.

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

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

The largest of London's subterranean rivers and once a mad, bad center of London life.

A friendly pub with a sordid past in cock fighting.

The broken skateboards that became a poignant memorial to a murdered skater.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

Several plaster noses are hidden in plain sight around London's Soho neighborhood.

London's smallest police station is barely the size of a phone booth.

A statue of the original Pearly King is hidden in a church's crypt.