The oldest housing complex in Riga is a mini timeline of architectural trends.

A century-old prison in the heart of Vilnius is now a lively bar, dance club, and artist residency.

Rock carving created 1,300 years ago 75 feet off the ground.

One of the newest mosques in a city filled with thousands.

A small museum built by a family that survived the Siege of Sarajevo.

This unique museum focuses on the Siege of Sarajevo through children's eyes.

This hidden art nouveau gem was designed by an architect in search of a national style.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

Plaques celebrating Lithuanian writers freckle a wall of this picture-perfect path.

This magnificent Art Deco church is a reflection of Lithuania’s turbulent history.

Museum deep in the catacombs of St. Michael the Archangel Church is explored by touch, sound, and smell.

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

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.

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.

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

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

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

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

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

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

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

A plaque marks the spot where the saint was shoved off the Charles Bridge and into the river.