This spectacular mosque houses the second-largest chandelier in the world.

An imposing Omani fortress surrounded by date palm trees.

This mysterious abandoned fort looks like something pulled right from Arabian legend.

The world's largest frame offers spectacular views of the city's past and present.

On any given day this sprawling market houses literally tons of government-regulated gold, gems, and precious metals.

Whitewashed mosque contains the world's largest carpet.

This artificial archipelago was supposed to resemble a map of the world.

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.

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

A cathedral resurrected from the ashes of one of Europe's greatest urban fires.

This endearingly discomfited urinating statue commemorates the sneaky pees had by us all.

A subterranean house of worship carved right out of the bedrock.

This medieval Estonian tower provides access to a series of tunnels that have been home to soldiers, punks, and fine art.

An ancient city exhumed from the depths of the ocean.

The largest prehistoric ruins south of the Sahara, once a powerful center of international trade.

This Cambodian riverbed is covered in ancient Hindu carvings both above and below the waters.

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

A battle between nature and architecture in the Cambodian jungle.

Artifacts and memories from the Vietnam war, located in a place that experienced it first hand.

Ha Long Bay's "Cave of Surprises" houses a popular phallic rock formation.

An extravagant monument to an extravagantly unpopular Emperor.

A nightmare for the claustrophobic lies hidden in Southeast Asia.