Climb into Albania's communist history while enjoying a spectacular ocean view.

In the heart of Tirana, this underground nuclear bunker has been transformed into a museum.

This abandoned prison was so notorious that its name has become a metaphor throughout Albania.

According to a local legend, this old castle could only be built after a woman was immured in the walls.

The largest Roman amphitheater in the Balkans once held over 20,000 people, but managed to lay hidden for hundreds of years.

The elliptical citadel resisted the advance of the mighty Ottomans several times, thanks to the military prowess of the "Dragon of Albania."

Hundreds of thousands of concrete bunkers crowd Albania long after the fall of Communism.

What happens when you cross a mayor and a painter?

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

A medieval bridge stretches over a sulfur-rich river that leads to year-round natural hot springs.

A naturally beautiful, seemingly bottomless deep blue spring.

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

Perhaps the only one of its kind, the nearly-forgotten site once held mortal (and rigged) gladiatorial games between tigers and imperial war elephants.

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

This French colonial post office is arguably the grandest in all of Southeast Asia.

Ho Chi Minh's perfectly preserved body has been on display here since 1975.

These crumbling towers are some of the last remnants of a centuries-old Vietnamese culture.

This striking landscape in northern Vietnam contains both geological and archaeological wonders.

This bridge is embedded with a giant steel dragon that breathes fire from its mouth.

This Vietnamese bar doubles as a multistory labyrinth.

An extravagant monument to an extravagantly unpopular Emperor.

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

Controversially restored in the 1970s, this giant 15th-century mosque is shrouded in legend.

The rocks are a time capsule of a 407-million-year-old Earth.