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

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

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

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

This neon lit Georgian cave claims to hold the boulder Prometheus was chained to.

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

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

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

A fountain filled with golden statues, celebrating the the ancient kingdom of Colchis.

A coastal French town said to have been visited by Jesus' disciples is a major pilgrimage center for Catholic Romanis.

This salt marsh in Southern France is as pink as the flamingos that inhabit it.

Thousands of flamingos and other bird species flourish in these Camargue wetlands.

Legend has it the commander of the defenders drew a fateful line in the dirt with his sword just before the final battle.

Two small markers remember the Alamo's feline protectors.

Portugal’s highest lighthouse has one of the most impressive focal planes in the world.

These small, triangular, colorful houses are a staple of Madeira Island.

A lush oasis full of vibrant plants and striking geometric displays.

The only Roman honorific column in Istanbul.

An Art Nouveau gem hides beneath the layers of city grime obscuring this once-magnificent building.

A gorgeous, Gaudí-esque stairway constructed in the city of Istanbul by a prominent Jewish family.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

A marvel of Byzantine engineering under the streets of Istanbul.

A small etching on the white marble parapet was written in runic script by a Viking mercenary.

A section of the long chain that blocked enemy ships from entering Constantinople.