Each year melting snow turns these Austrian hiking trails into scuba zones.

Where beer lovers can literally immerse themselves in beer.

Located right outside of Vienna, visitors can take in expansive views of an ethereal forest.

Swarovski's museum/theme park is a fake diamond fantasia overlooked by a giant.

This former insane asylum now holds a pathological anatomy museum.

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

The tallest sea cliffs on the Southern Hemisphere are a climber's worst nightmare.

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

This pair of Australian "waterfalls" appear to be falling straight across the land.

A stray meteor left this picturesque hole in the Australian outback.

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 clear example of the process of erosion in action.

A sparkling sandstone cliffside that's worth a visit while it still exists.

One of the best beaches in the entire world.

The labyrinthine storm tunnels beneath the city of Melbourne are ruled by a band of urban explorers.

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

This extraordinary geological oddity resembles human-made pavement.

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

The only pollutant in the clear blue water is sunscreen.

Dilapidated ruins that once treated a notorious young serial killer, currently hosting vandals, squatters, and ghost hunters.

Australia's largest traditional hedge maze features a Great Gnome Hunt.

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

A collection of outdoor mystical statues paying homage to indigenous Australians and ecological stewardship.

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