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

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

For a taste of Vietnamese gastropub culture, look no further than this convivial seafood joint that stays open till midnight.

Order your coffee crowned with salted whipped cream or blended with coconut and ice.

The wartime prison now features haunting sculpted reenactments of the atrocities that took place there.

Home of the unusual art of water puppetry, one of Vietnam's oldest curiosities.

This Vietnamese bar doubles as a multistory labyrinth.

This spectacular bridge supported by two gigantic hands looks like something out of a fantasy universe.

World's largest cave was only discovered in 1991, and now offers tours to the public.

Hang out with thousands of butterflies in one of the world's largest such enclosures.

Come for the chanting, stay for the monastical vegan buffet.

Thousand-year-old trees tower within one of the world's only inland temperate rainforests.

A 220-foot deep watery drop-off, filled with marine life.

Uninhabited islet in the Caribbean is the sanctuary of giant lizards.

This unique bird reserve sits within an important fragment of Brazil's Atlantic rainforest.

This breathtaking national park is one of the best places to see the weird and wonderful giant anteater in the wild.

Deep below the dry landscape of Bahia, a cave with intense blue water to float in.

One of the few places in the world where visitors can walk alongside fossilized tracks from 80 different dinosaur species.

The haunting peak of an old church is all that remains of a drowned Brazilian city.

A faux desert landscape in the middle of the jungle that sprouts oases during the rainy season.

You feel like you're in a forest, but you're actually walking amidst the branches and trunks of a single giant tree.

Part of one of the largest flooded cavities on the planet, and littered with prehistoric animal bones.

After millennia of erosion by sand and churning water this Brazilian valley now looks like a lunar fantasy.

A paradisical gorge with rapids, waterfalls, and wildlife whose raw beauty is the stuff of CGI movies.