Memorial to the father of the Republic of China.

Only through deep darkness and tragedy did this elaborate royal palace become a sacred temple.

This collection of lakeside pagodas and temples are flanked by giant lions, tigers, and dragons as well as their welcoming maws.

An extraordinary natural landscape of mountains, waterfalls, and rocky cliffs riddled with tunnels.

This holy site either displays a centuries-old cross or a complete fake.

A small statue of child Jesus given by Magellan in 1521

These tiered rice paddies were carved into the hillsides 2,000 years ago.

Five miles of underground river link lake to ocean.

Hundreds of wooden coffins dangle from cliffs and caves in the Philippines.

A bathhouse from the second Islamic Caliphate decorated with frescoes of constellations, pleasure gardens, and naked ladies.

Gladiators battle and chariots race daily in the ruins of a once-great Roman city.

A more chill but no less fascinating version of the famous ancient archeological site.

One of the oldest monasteries in the world is a key pilgrimage site for both Muslims and Christians.

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

One of the oldest and largest castles in the world.

What is left of the pillar of Saint Simeon, the voluntary martyr who climbed the column to give his sermons, remaining perched there for thirty-seven years.

Amid the rubble of Aleppo's Old Quarter, part of a historic market has been restored and re-opened.

This ancient mountain monastery welcomes all manner of faith in an effort to keep Christians in Syria.

A 1,500-year-old ghost settlement is slowly fading away.

Ruins of the Crusaders' headquarters.

Mysterious lost empire of the Silk Road.

An ancient fortified mound raised over the millennia from settlements built one on top of the other.

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.