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

Hoax, mistake, or evidence of dinosaurs in human times?

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 most colorful cemeteries, where each pigment is symbolic.

A nightmare for the claustrophobic lies hidden in Southeast Asia.

One of Vietnam's most iconic landmarks was built by Japanese traders and is now in danger of sinking.

Though it was originally dedicated to the Hindu god Shiva, Baphuon was converted to a Buddhist temple in the 15th century, complete with a massive hidden statue.

Believe it or not, the now-ubiquitous California avocado originated in Guatemala.

Central America's deepest lake is actually a volcanic caldera, surrounded by three volcanoes.

Deep in the Guatemalan jungle stands an ancient pyramid that once marked the reign of a king.

This group of small islands on Lake Nicaragua formed after an eruption of the Mombacho volcano.

A Roman monument to their own civil engineering prowess.

Romania's triumphal arch looks out over Bucharest.

This communist behemoth is the heaviest building in the world and a legacy of a brutal regime.

A giant portrait of an ancient king looms over the river.

A plaque bearing the names of those who dedicated themselves to protecting Budapest's Jewish population during World War II.

A triumphant marble and bronze fountain depicting a 15th-century Hungarian king and his hunting party.

According to this bar, God gave an “11th commandment” to Antwerp: Thou shalt drink beer.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

This sparsely populated town offers a look back in time.

The oldest continuously occupied public building in the United States.