A former salt mine is now a cool picnic spot for families and asthmatics.

Vietnam's feral abandoned water park offers access to a post-apocalyptic funscape, now with fewer crocodiles.

Showcasing some of the best-preserved temples of the Champa Kingdom.

This steamed rice crepe specialist has been rolling up its namesake dish for over 30 years.

Under Hanoi’s medieval citadel sits a secret military headquarters from the final years of the Vietnam War.

A cityscape of burial tombs that you can easily lose yourself in.

Vietnam's largest Buddha statue depicts a female sage.

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

This network of tunnels housed an entire village for years, and even had a hall for screening movies.

The notorious "Hanoi Hilton" where Vietnamese colonial subjects and later American POWs, including John McCain, were imprisoned.

Monument to a brutal, ineffectual US bombing campaign and a sobering reminder of the human cost of the Vietnam War.

An extravagant monument to an extravagantly unpopular Emperor.

Twice a day a speeding train passes only inches from the homes of this residential neighborhood.

At 72 feet below sea level, it's the lowest commercial airport in the world.

This Soviet statue is based on a piece of propaganda that's been elevated to national myth.

In Kazakhstan, a colorful cathedral with many lives once survived the most powerful earthquake in the region.

This sprawling market is a one-stop shop for traditional Kazakh foods, from mare’s milk to sheep’s head.

Mysterious spherical rocks in the semi-desert of western Kazakhstan.

Walk through depictions of the torture inflicted on those who go to Buddhist hell.

Eat the ultimate iteration of Portugal's most beloved pastry.

The corpse bride of Portugal.

An ancient and majestic fortress that played an integral role in Portugal's road to independence.

These magnificent city walls rise from the barren sun-baked Spanish plains like something straight out of a fairytale.

A lush indoor jungle fills this bustling Madrid transportation hub.