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

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

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

The decaying remains of a once-luxurious Soviet spa town.

A magical, if a bit tacky, 1960s castle conjures up medieval fairytales and Greek mythology.

The temple that withstood the Nazis.

This building has two facades of clashing architectural designs.

Sofia's legislative center is continuously reinventing itself.

A striking symbol of the Bulgarian capital.

"Holy Wisdom" overlooks the city that became its namesake.

A vast Communist-era exhibition space in the Bulgarian capital.

A fire once nearly devoured this gorgeous 14th-century Gothic cathedral.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

This abandoned Slovenian military barracks has become a punky-political art squat.

A whimsical bridge adorned with decorative dragons.

Martin Bricelj Baraga's monolithic sculpture measures the blueness of the sky, and changes color to match it.

A trough of 700 strange bronze faces runs through a narrow alley in Ljubljana's old town.

A public work of art that also provides some relief from the summer heat.

This 135-year-old weather station studied the effects of the climate on human health.

Macabre astrological automaton clock dating to the late 1400s.

A Jenga-style cylindrical tower of books that appears to go on forever.

The medieval "Bearded Man" relief still serves as a clever flood warning marker.