Germany's Glienicke Bridge has a shady history of clandestine meetings, espionage, and spycraft.

This Berlin island is home to a flock of free-roaming peacocks, as well as a historic ivory folly.

A helicopter memorial commemorating what was once the only way to access this West Berlin exclave.

An abandoned NSA listening post on Berlin's "Devil's Mountain."

The world's first motorway was used as a racetrack until the late 1990s.

A restaurant and observation deck built in a unique broadcasting antenna.

This old Soviet gas station is in perfect condition, one of the best-preserved mosaics in the country.

Small church on top of a huge rock column.

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

A fountain filled with golden statues, celebrating the the ancient kingdom of Colchis.

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

Unexpected work of street art in a remote Caucasus mountain town.

This extraordinary, multi-pillared monument depicts the fascinating history of Georgia.

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

A cylinder monument with a spectacular vista commemorates a friendship that some say never existed.

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

A cluster of historic bathhouses built on the famed hot springs that gave the Georgian capital its name.

With over 10,000 lights, this engineering marvel lights up the city after dark.

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

A lively circle of dancers in the Georgian capital commemorates an ancient rite of spring.

When the Soviets destroyed the historic Armenian monastery they somehow left its bell tower intact.

You'll find just about anything in this funky Tbilisi flea market.

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

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