Replicas of Apollo's leonine stone guard cats still line a sacred row in Greece.

Carvings in Turkey's Marble Road may have directed ancient Romans to a hidden brothel.

The ancient latrines of the Greeks, in all their public glory.

Roman ruins top white travertine terraces formed by ancient hot springs.

Fortified homes of highland warriors that are still in use today.

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

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

Underground monastery and fortress.

She asked for a potato cellar and over the next 23 years he gave her a network of holy caves.

A geological oddity topped with a 2,000-year-old pagan temple.

This Armenian monastery was carved out of cliffs and named after the spear used to stab Jesus.

The most visited pilgrimage site in Armenia once held a saint in a pit for 13 years.

Nestled in a peaceful valley, this Armenian monastery may have been saved from Mongols thanks to the eyes of God.

This striking icon of the disputed Republic of Artsakh caused a stir at a Eurovision Song Contest.

Centuries before the modern seismograph, Armenian monks measured quakes with this tilting pillar.

This seemingly random 30-foot statue of an oryx in Qatar's capital was a mascot for the 2006 Asian Games.

A futuristic, brutalist masterpiece that is also strangely prison-like.

Oriental bazaar in the heart of Sarajevo.

The place where World War I began.

Bridge that died in war and was resurected.

A little sculpture with a large wardrobe.

From Tintin to the Smurfs, Europe's greatest graphic icons are celebrated in a grand Art Noveau gallery.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

Baroque celebration of the end of the Great Plague of Vienna.