The silly symbol for an underground protest group is now scattered around the city.

A striking public sculpture representing the period of martial law in Communist Poland.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

Budapest's Communist-era statues, banished to the suburbs.

1513 Turkish world map, full of European state secrets and snarky commentary.

A marvel of Byzantine engineering under the streets of Istanbul.

Ottoman-era houses lovingly preserved.

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

Remnants of successive wars and Muslim colonialism in the 11th century.

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

An extraordinary "City of Caves" carved from solid stone.

Time has stopped at the house where Gandhi died.

An imperial fortress city that incorporated cultural elements from the entire Mughal empire, only to be abandoned the year it was finished.

Once an indicator of social class, the color blue has come to define this city on the edge of the Thar Desert.

On the Pakistan-India border the militaries perform an elaborate theater of aggression each and every night.

Sacred Buddhist home of some spiritual monkeys.

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

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

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

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

Nine limestone rock stacks on Australia's "Shipwreck Coast."

Hundreds of Buddhas in a re-discovered Indonesian temple.

Khmer Rouge's high security prison.

Ho Chi Minh's perfectly preserved body has been on display here since 1975.