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

A gleaming white and undulating tower marks the border between Georgia and Turkey.

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.

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

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

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

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

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

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

Balanced on four stone pillars, this historic tower was the site of a tragic political assassination.

This crumbling medieval basilica once attracted pilgrims by the thousands to collect a miraculous dust that formed above the saint's tomb.

The home-turned-museum of Barış Manço, the mustachioed Turkish Elvis for children.

This half-forgotten fortress was constructed by the Ottoman conqueror of Constantinople.

Carvings in Turkey's Marble Road may have directed ancient Romans to a hidden brothel.

Climb a steep hill in 90 seconds on the second-oldest urban subway in the world.

This museum was invented in a novel before being made real by the author.

A Turkish ghost town abandoned in a population exchange with Greece.

An abused and forgotten metropolis, abandoned for centuries.

This famous city eluded concrete detection until the early 2000's.

This hunter-gatherer architecture is believed to be the oldest religious complex known.

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

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

This public art piece proves that in Portland even reporting the weather is a thing of whimsy.