Rich with fauna and flora, nature-lovers can walk across the sea at this UNESCO World Heritage spot.

A former plague hospital turned medical museum.

Some 80,000 Delft Blue tiles line the inside of this Amsterdam walkway.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

The attic of a four-century-old canal house hides a clandestine church.

The world's first zoo for microbes collecting the horrible and wonderful things living on and around us.

A white Buddhist temple with a golden restroom.

A battle between nature and architecture in the Cambodian jungle.

The capital of Cambodia is named after the hill on which this ancient temple complex stands.

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

A boat ride through utter darkness, lit only by headlamps, reveals an emerald green pool locals believe is sacred.

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

One-of-a-kind stupa in Laos.

Thousands of effigies of Buddha watch from caves set high above a legendary river, plus whiskey.

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

Atop this former dutch railway office sits an interstellar work of art.

'The Letters of Utrecht' lays out a ribbon of poetry one letter at a time, with no final verse in sight.

This Netherlands museum holds a gloriously mechanical collection of ornate musical automata.

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.

Nicknamed Kazakhstan's Grand Canyon, this natural wonder lies east of Almaty near the Chinese border.

Submerged trees jut ghost-like out of an idyllic turquoise mountain lake.

A boulder carved into the shape of the cosmonaut's head.