Situated on a sacred Inca site, this 16th-century cathedral took nearly 100 years to build.

The stones of this Incan wall complex fit together so well you couldn't fit a piece of paper between some of them.

Preserved Inca city and site of the last Inca stronghold against the Spanish conquistadors.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

Many Hindus make the long pilgrimage to this holy city to have their remains burned on the banks of the Ganges River.

This 11th-century temple gave rise to the word "juggernaut," as well as some mysteries that defy scientific explanation.

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

Deep in the Thar desert, a temple crawling with thousands of holy rats.

The oldest still-inhabited hill fort in India looks like a magnificent golden sandcastle.

This stunning 15th-century royal hill fort preserves the age of chivalry in Rajasthan.

This ancient Hindu temple is covered in thousands of colorful statues and has a long mythological history.

The world's second-largest sundial, made entirely out of stone.

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

More than half of this Indian palace is drowned but it looks all the more spectacular for it.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

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

Khmer Rouge's high security prison.

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

A battle between nature and architecture in the Cambodian jungle.

Shakespeare has been brought to life in this open air theater for the better part of a century.

Commonly referred to as the most photographed Victorian home in the United States.

The headquarters of a secretive order is also a beautifully-designed park.

An extensive collection of ancient Egyptian artifacts and mummies.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.