The fishing boats that moor in this small lagoon enter and leave through a tunnel to the sea.

At more than 5,000 years old, these structures are among the oldest free-standing stone buildings in the world.

These temples are among the oldest free-standing stone buildings in the world.

Two geological phenomena in one precarious locale: a towering stone window, and a deep blue void.

Out of all the statues of Ho Chi Minh in Vietnam, this one is the tallest and the most impressive.

An abandoned set from the 1980 film "Popeye," claimed and repurposed as a theme park by creative locals.

The largest United States military cemetery overseas.

Whitewashed mosque contains the world's largest carpet.

Billed as the "largest natural flower garden in the world" this Middle Eastern show field has little competition at 45 million flowers.

The West's first incursion into the Afghan world lies buried beneath a military base.

Once an impressive link to Afghanistan’s Buddhist past, now a sad reminder of intolerance towards other cultures.

The oldest Christian monastery in Iraq until ISIS blew it up twice and then drove over it with bulldozers.

Launchpad for the US military’s dead mouse operation to battle millions of snakes.

The seat of the lost Ryukyu Kingdom has survived numerous fires and wars over the centuries.

Elaborate series of tunnels where traces of mass suicide are still visible.

The third-tallest statue in the world depicts the "Buddha of Infinite Light," complete with observation deck in his chest.

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

The remains of an abandoned air force hospital located on a redeveloped Air Force base.

A modern temple with an ancient philosophy.

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

Buried in the Laos jungle is a sanctuary for bears that would have otherwise been milked to death by poachers.

A battle between nature and architecture in the Cambodian jungle.

This collection of reclaimed landmines acts as both an exhibition of their deadly history and as a shelter for children affected by them.

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