An ancient capital city that dates back 3,000 years and harbors many surprises.

The largest hewn stone in history.

Ruins of the Crusaders' headquarters.

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.

One of the oldest and largest castles in the world.

Mysterious lost empire of the Silk Road.

The largest known Ancient Egyptian obelisk.

These Egyptian statues have survived for 3,400 years and were an acoustic wonder of the ancient world.

Known as the Sistine Chapel of Egypt, this tomb houses some of the most well-preserved paintings in Egypt.

The medieval center of the Islamic world was also once the seat of Saladin's sultanate.

In Egypt's expanding metro area, many of the neighbors are dead.

Made famous by 'Star Wars,' these troglodyte homes face an uncertain future.

The original film set of Luke Skywalker's Tatooine home from the 'Star Wars' trilogy.

The largest and best-preserved Roman amphitheater in Africa was designed to seat 35,000 people.

One of the two original gateways into the Kasbah, this gateway is a nesting site for storks.

Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.

Giant topiary dog once played a role in a terrorist bomb plot.

An accidental trick of light casts the perfect shadow of a pilgrim of the Camino de Santiago against the cathedral wall.

This enormous censer uses a pulley system installed over 400 years ago.

A small house in Tazones, completely covered in shells.

A spectacular walk on the flank of a gorge.

The Cathedral of Salamanca has a number of unusual carvings but none so surprising as a modern astronaut.

The facade of this 16th-century building is decorated with carvings of 300 seashells.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”