Qatar's oldest market can trace its origins back more than a century.

The building is a gigantic piece of art inspired by the shape of a desert rose.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

Once the home of a hermetic monk, this cave now houses a small church.

When the USA donated cement and funds to expand the airport in Laos, the Laotians built a massive monument instead.

This tiered waterfall is so pretty it may cause visitors to cry tears of their own.

Climb to the top of the world's largest seated bronze Buddha.

Teeming with illegal goods and services, this towering maze of vice is also a popular tourist accommodation.

Khmer Rouge's high security prison.

One of the biggest markets in Asia, under one of the continent's largest domes.

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

A battle between nature and architecture in the Cambodian jungle.

This 16th-century monastery was founded to cloister the daughters of wealthy local families.

Built on the remains of one the Incas’ most important gathering spots, this square keeps the spirit of a fallen empire alive.

An Inca spa, military outpost or maybe… both?

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

The large collection of pre-Columbian pottery might make you blush.

A backdoor to Machu Picchu that only the most foolhardy infiltrator would attempt to breach.

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

An unexpected desert oasis in South America.

The mortal remains of an estimated 70,000 people lie in the basement of a monastery in Lima, Peru.

A set of ancient drawings in the desert of Peru that are so massive, many of them can only be fully seen from the sky.

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

At this beautifully preserved Pre-Hispanic site, you can see ancient petroglyphs with depictions of llamas and alpacas.