This once-booming gold mining hub was basically abandoned overnight.

An abandoned marine theme park has created a difficult experiment in dolphin rewilding.

The UFO capital of Australia is the outback’s answer to Roswell.

A wonder of natural limestone formations etched by millions of years of natural interaction between rainfall and rock and air.

This trio of Australian rock spires may have inspired aboriginal legend or just modern tourism.

Aqua white sand highlighted with fiery red rocks.

Hundreds of tiny dead butterfly eyes gaze down at diners in this Australian eatery.

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

Alien rock formations grown from the sands of an Australian national park.

One of the best beaches in the entire world.

The word 'wunderkammer' translates as 'wonder-chamber'. This Wunderkammer is both a museum and a retail store.

This dramatic sea spire is home to the world's rarest insect and is part of the lost continent of Zealandia.

This gracefully curving formation looks like a massive wave that was suddenly turned to stone.

Australian Lake set aglow by Noctiluca Scintillans.

An abandoned railroad tunnel is now filled with bioluminescent bugs.

A collaboration of art and ornithology mourns the calls of Sydney's lost birds.

Built over an abandoned train yard, this hidden gem is full of winding paths and offers gorgeous views of Sydney Harbour.

A cave 150 feet beneath Kansas City is the perfect climate for growing 10,000 delicate orchids.

An abandoned concrete jungle surrounded by a lush park.

The world's largest collection of fine-scale miniatures and one the nation's largest collections of antique toys.

In the St. Francois Mountains in the Ozarks at 1,772 feet above sea level, Taum Sauk Mountain is the highest (and possibly oldest) peak in Missouri.

A geological oddity formed by two rivers carving out a mass of limestone on both sides.

A museum celebrating the Victorian obsession with hair art.

What was once a presidential estate is now an exotic menagerie and home to the Budweiser Clydesdales.