This museum promotes informed contraception by documenting its often secret past.

Narrow-gauge railway with its own personal power grid.

A symbol of Islam in oil-rich Brunei.

Three wildly colorful calderas top this otherworldly volcano chain.

Island, once a pirate hideout, now home to an abandoned resort.

This massive chapel in the middle of the Indonesian forest is both haunting and fowl.

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

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

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

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

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

This 170-year-old Swiss guesthouse built into the side of a mountain is best accessed by a cable car.

This mountaintop observatory is home to one of the world's largest reflective telescopes.

A massive work of modern art that appears to be a crop circle in the middle of the desert.

The ghostly remains of an accidental sea.

A haunting theme park is slowly being swallowed by the jungle.

The hidden lair of an alchemist rediscovered in a 2002 flood.

A Jenga-style cylindrical tower of books that appears to go on forever.

This bar and museum are devoted to the controversial comic book work of Kája Saudek.

This wildly-tiled artist's palace is a living and growing account of the creator's life, loves, and labors.

The world's first underground farm is in a World War II bomb shelter beneath the streets of London.

A special shop catering to the needs of things that go bump in the night, and also helps kids become writers.

A vast overgrown cemetery, once known as one of London's "Magnificent Seven."

Winding paths and ramshackle mausoleums in the oldest "park cemetery" in London.