An Ethiopian "Jerusalem" featuring a church hewn out of a single rock.

The largest prehistoric ruins south of the Sahara, once a powerful center of international trade.

These naturally balancing rocks were pictured on every Zimbabwean banknote, up to the 100 trillion-dollar note.

Final resting place of the most prolific Fijian cannibal of all time.

Recently revamped museum of Fijian history located within a gorgeous colonial-era garden.

An eclectic art form practiced by untrained masters is celebrated at this museum in the heart of Zagreb's old Upper Town.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

Bridge that died in war and was resurected.

The world's oldest grape-producing vine has survived four centuries of turmoil and even has its own anthem.

A whimsical bridge adorned with decorative dragons.

This one-time health resort was used by aristocrats around the world.

A miniature train-ride through Slovenia's largest cave system.

Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.

This massive subterranean fissure is known as the "underground Grand Canyon."

Be careful not to get trampled at this lively two thousand-year-old market.

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

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

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

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

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

Mysterious lost empire of the Silk Road.

The largest hewn stone in history.

Ruins of the Crusaders' headquarters.

Only a handful of these gorgeous historic waterwheels remain but even those are in danger from local unrest.