Prehistoric park filled with the fossils of dozens of extinct species including Australian megafauna.

A small, but award-winning beach known for its literally spotless reputation.

A massive stairway that almost wasn't leads to one of Australia's most scenic vistas.

A castle hand-built by a Spanish dreamer in the Australian tropical jungle.

The once-dying town of Sheffield, Tasmania has reinvented itself as a village of painted wonders.

Once the path of a railway tunnel, now home to thousands of glowing insects.

Australian Lake set aglow by Noctiluca Scintillans.

An opal mining town in the middle of Australia where people live, worship, and shop underground.

This eccentric cave dwelling is bizarre even by the standards of a subterranean town.

The original film set of Luke Skywalker's Tatooine home from the 'Star Wars' trilogy.

Stay in a room with a view... of the bottom of the ocean.

This 15-foot former Johnny Appleseed has given up his apples for donuts and coffee.

This spiny beast guards an artist's village while vying for the title of largest lobster in the world.

Hungarian self-built castle.

A castle built by an eccentric medieval enthusiast in rural Ohio.

A home made entirely from scrapped, reclaimed and recycled material in Whitman County, Washington.

Beer lover's can-covered house.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

A community of collapsing homes more than a mile out from the Florida coast.

One man's love of sea life and art has turned his home into a temple of outsider island art.

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

In paradise, feral pigs have claimed an island all to themselves.

This isthmus in the Bahamas narrowly separates the roiling Atlantic from the cool Bight of Eleuthera.

An extraordinary natural landscape of mountains, waterfalls, and rocky cliffs riddled with tunnels.