A spectacular rainbow of stained glass makes the "Pink Mosque" one of the most beautiful in Iran.

Hundreds of thousands of concrete bunkers crowd Albania long after the fall of Communism.

What happens when you cross a mayor and a painter?

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

The world's oldest map of the holy land gives us a fragmented glimpse of the layout of biblical nations.

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

These tombs were built into the side of a mountain so that ancient angels could reach the dead.

A Turkish ghost town abandoned in a population exchange with Greece.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

The deepest underground city in Turkey was designed to protect 20,000 people behind massive stone doors.

The oldest teak bridge in the world is made from the remains of a royal palace.

This gem-encrusted temple is said to contain some of the Buddha's hair which can make the deaf hear and the blind see.

Gigantic unfinished stupa and the world's 2nd largest bell.

Over 2,000 ancient temples dot the Myanmar landscape at the site of this famed archaeological site.

A nightmare for the claustrophobic lies hidden in Southeast Asia.

This Vietnamese hell cave lets visitors take a walk through a devilish underworld full of demons.

5,000 skulls in memorial to those killed by the Khmer Rouge.

A battle between nature and architecture in the Cambodian jungle.

This Tang Dynasty behemoth is the biggest Buddha in the world.

One of its engravings is believed to be among the first representations of medical and surgical instruments.

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

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

The most visited, and possibly most controversial, museum in Germany.

A quirky bookstore hidden beneath a sea of whitewashed Greek villas.