Centuries-old bridges grown from tangled roots.

Ancient catacombs form the foundation for this Rococo orgy of a church.

A completely underwater art museum sends a stark message about humans' impact on the environment.

This beautifully verdant lagoon is tucked below a massive volcano in a crater atop a black pebble beach.

Visit a surreal landscape so otherworldly NASA actually used it to train the Apollo 17 crew.

Partially collapsed lava tube and cave system complete with concert hall, underground pond, and unique albino crabs.

Rumors and legends of secret Nazi activities surround this eerily remote island mansion.

The remote island home of the overlooked explorer who co-discovered the theory of evolution by natural selection.

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

The second generation of a mighty volcano rises from the sea.

A mostly desolate bar on a remote island hosts hundreds of sailors for a few days each year.

A monster in the plant world, up to 10 feet tall and smelling of death.

These 40,000-year-old stenciled hands are older than the famous cave art in France and Spain.

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

Exotic, erotic, and esoteric, one artist's live-in Bali gallery brings a splash of color and madness to its surroundings.

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

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

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

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

Site of the largest volcanic eruption in the last 25 million years, one which may have nearly wiped out humanity altogether.

Subterranean place of worship in Indonesia.

A Balinese resort, empty and trapped in time.

These broken shards of ancient ruin may hide an ancient pyramid.

A mud volcano in Indonesia spews out 50,000 cubic meters of mud every day.