Art school in the Amazon: Drugs, nature and sustainable agriculture.

One of the most remote lodges in the Amazon offers rare wildlife encounters and undisturbed views of the Peruvian rainforest.

The highest tropical mountain range in the world is in Central Peru, home to a vast array of exotic and quirky plants and animals.

Peru’s only toy museum houses everything from pre-Inca whistles to lead soldiers and terrifying dolls.

This antique rail car has been reborn as an urban cafe.

A jungle cave in Peru of unknown depths, otherworldly sounds, and strange nocturnal birds that navigate by echolocation.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

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

A nightmare for the claustrophobic lies hidden in Southeast Asia.

A sculpture park that takes the use of clay to a whole new level.

This Vietnamese bar doubles as a multistory labyrinth.

A Surreal flight of architectural fancy in Vietnam's Central Highlands.

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

Have fun at the world's first Buddhist waterslide park.

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

This Vietnamese hell cave lets visitors take a walk through a devilish underworld full of demons.

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

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

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

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

150 or so scrounged-up lamps, chandeliers, and lanterns light up this alley in central Athens.

A small island with shimmering pink sands, home to loggerhead turtles and rare plants.

The Cycladic architecture makes this Athens neighborhood feel like an island paradise hidden in the shadow of the Acropolis.

This little-known, 35,000-specimen collection in Greece is a lepidopterist's dream.