Subterranean place of worship in Indonesia.

This Javanese-Hindu temple from the 15th century is unmissable for anyone with even a passing interest in erotic art.

Concrete balls on wires constructed to stop train surfing in Indonesia.

The inky volcanic sand leads to reefs teeming with aquatic life waiting to be discovered by snorkelers and divers.

The wing of this deserted Boeing 737 almost touches the Dunkin' Donuts next door.

Bright Indonesian villages painted in a rainbow of competing color schemes.

A Balinese resort, empty and trapped in time.

This sacred cave temple is home to thousands of bats and according to legend, a giant snake king.

A real-life "hobbit" cave in Flores, Indonesia.

Think you have a tough job? Try carrying 200 kilos through a cloud of sulfur down the side of a volcano.

One of the largest bamboo bridges in Asia, located right next to a bamboo school.

This Indonesian village was revitalized by a vibrant rainbow paint job.

The name of this ancient Indonesian temple translates as "Elephant Cave" but it could be more accurately called "The Hellmouth."

One native village in Bali lays their dead at the foot of a holy tree whose natural fragrance seems to hide the stench as the bodies decompose.

Sacred waters rescued from the wrath of a volcano.

This Balinese sea temple is thought to be guarded by the hundreds of monkeys that live around it.

This Sumatran root bridge took almost 30 years to knit itself together.

Three wildly colorful calderas top this otherworldly volcano chain.

This tiny lake temple dedicated to a water goddess seems to float on the surface.

Once home to Komodo dragons, this island dreamscape has a rare combination of white, pink, and black sand beaches.

A sprawling nature preserve harbors the world's only living dragons.

Bali's remote "gateway to heaven" is one of the most sacred places on the island.

Hindu temple of the dead home to hundreds of long-tailed macaques.

An abandoned hotel in the highlands of Bali is shrouded in stories of ghosts, curses, and corruption.