Hindu temple of the dead home to hundreds of long-tailed macaques.

Isolated atop this Balinese sea crag is a lovely Hindu temple that is said to be guarded by sea snakes.

Khmer Rouge's high security prison.

The capital of Cambodia is named after the hill on which this ancient temple complex stands.

This impressive clifftop temple was once at the center of an international custody dispute.

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

A battle between nature and architecture in the Cambodian jungle.

One of the world's tallest statues is also one of its most hated.

Stalinist skyscraper built with help of cryotechnology.

The tallest hotel in Europe.

Former headquarters of the KGB.

It took over half a century but a Russian monument to a famous and tragic space pup finally stands in Moscow.

The gorgeous entrances into the city's underbelly look more like grand halls than subway stops.

This building holds the embalmed remains of the leader of the Bolshevik Revolution.

Moscow's other, lesser known kremlin is a fairytale-like cultural complex modeled after Old Russia.

The embalmed remains of the communist leader lie within a custom crystal coffin.

Why walk on this historical site when you can zoom down instead?

The most famous location in China was home to whole dynasties worth of imperial rulers.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

This World War II bunker now survives as a documentation of the Nazi regime and war crimes.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

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