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

Sofia's legislative center is continuously reinventing itself.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

A magnificent, glittering building tucked into a tiny Bulgarian mountain town.

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

A Bulgarian monument to Russia's role in World War II is constantly being painted in pop culture protest.

The remarkably well-preserved final resting place of a powerful ancient Thracian king.

This solitary monastery may hold the remains of Vlad the Impaler (but probably not).

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

This ancient theater, restored in the 20th century, lives on as a venue for dramatic and musical performances.

A collection of art from Bulgaria's time as a communist state.

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

"Unity, Creativity, Beauty."

This historic hotel invented the chocolate brownie.

A goddess-topped water fountain in Chicago was created thanks to the dreams of a thirsty newsboy.

An outdoor urban gallery of large-scale artworks by the world's most influential street artists.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

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

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

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

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

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

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

This Roman statue is missing a limb from when the Venetians stole it from Constantinople during the Crusades.