A strange rock with a sinister reputation lurks within the crimson waters of this Scottish glen.

A tiny museum in Esperance, Australia, displays a bunch of space debris from NASA’s Skylab.

Australia's only intact colonial warship never saw action before being turned into a scenic wreck.

For a century, the tallest building in Tasmania was a tower built to manufacture ammunition.

The world's tallest shot tower—maybe.

Woven tree art gives this towering Australian woodland a touch of mystical whimsy.

These jagged limestone blades cut out through the canopy of the jungles of Borneo.

One of the largest caverns in the world has a maw large enough to stack cathedrals in.

Malaysian fireflies create a dazzling display as thousands light up in unison.

Holy Hindu shrine in an enormous, monkey-filled limestone cavern.

In the Flinders Ranges of South Australia, this marker marks the severe haven of War Kangaroos that once roamed here in the fictional parallel world of Kcymaerxthaere.

The world's highest and most dangerous infinity pool lies at the precipice of Victoria Falls.

A battle between nature and architecture in the Cambodian jungle.

A Hawaiian stairway to heaven—that you can't climb.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

A seemingly endless landscape of pure salt stretches far across Bolivia.

Monasteries on rock pillars, once accessible only by frayed ropes.

A serpentine highway twists and turns over the treacherous Norwegian Sea.

Rising from the sea like a stone monster.

A giant Troll lurks under one of Seattle's oldest bridges.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

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

Australia's largest medical museum featuring a 19th-century pharmacy.

When you get to Magnetic Hill park near the sign, put your vehicle in neutral gear, and watch it roll uphill...