This series of Baroque passageways in Vienna's cultural center mix old architecture with modern art.

The topiary maze at the Habsburg hunting lodge.

Handsomely crafted representations of our round planet.

This surreal statue brings a famous French novel about a supernatural cad to arresting life.

A Parisian exterminator's shop whose storefront displays stuffed rats hanging from traps.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

Statue of death tucked in the University of Medicine courtyard.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

A museum of carnival attractions where you are invited to ride the rides.

Paris' linguistic guide to the international language of, yes, love.

Notorious artist squat renovated into legal studios.

The world's longest nonstop reversible cable car soars through spectacular scenery to the medieval Tatev Monastery.

Small church on top of a huge rock column.

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

Underground monastery and fortress.

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

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

Rock-hewn monastery complex with hundreds of cave structures tucked away into the mountainside.

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.

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."

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

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