The smallest country in Australia is a principled little thing with a friendly emperor.

This abandoned railroad tunnel is now home to a micro-colony of bats and a ghost train.

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

A series of eerie metal stick figures are spread out over four square miles on the bed of a huge salt lake in the Australian Outback.

A local landmark that has become a hub of graffiti and urban exploration.

One man's artistic vision is a small town government's legal battle.

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

This secret Australian garden was built on love after a man planted a random bulb he found in the ocean.

This shrine to film's most iconic wasteland wanderer is located in the very outback where the movies were shot.

White cockroaches and other cave species occupy this massive series of lava tubes.

An ancient rock engraving shows Aboriginals used their advanced knowledge of the stars to hunt and gather.

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

A beautiful, but toxic, lake formed by mining.

An abandoned jewel of a ballroom on the top floor of Australia’s busiest rail station echoes with the sounds of a bygone era.

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

Crammed inside this grounded passenger plane is a bar that was once a Communist hang out and is now a ratty relic.

A Cold War secret surveillance tower used to spy on radio communications.

The largest manmade caves in Europe now function as a motorbike club's headquarters.

The 14th-century ruins are said to contain healing powers.

A massive 1830s industrial site once known as Czechia's "Iron Heart" has been transformed into a playground of science, technology, and art.

This unusually shaped mountaintop tower looks like a UFO floating over the city.

The deepest sinkhole in Central Europe comes with a grisly tale and an unusual nickname: “The Stepmother Abyss.”

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

Bohemian paradise covered in majestic forests.