Once part of an ancient international harbor, it's now an all-you-can-eat shrimp buffet for flamingos and other water birds.

Scientists use one of the saltiest bodies of water on Earth as a terrestrial base for studying water on Mars.

Natural time capsule containing an alien ecosystem.

Once the most densely populated place in the world, this island is now a ghost town.

A taste of the macabre Tokyo's ritzy shopping district.

A magical place that lets you play in and explore the world of Studio Ghibli.

An exquisite tunnel of cascading flowers.

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.

A mysterious bridge over a sunken Roman road.

The "Bridge Over the Atlantic" lets you cross the waterway in mere seconds.

Modern megaliths form this work of cosmic, Celtic landscape art.

A labyrinthine network of chambers with a storied past hides below Edinburgh's South Bridge.

Where condemned pirates met their grisly end at the gallows on the River Thames.

The world's oldest surviving music hall was also once a freakshow.

This former abandoned hospital, a complex of stunning 19th century buildings, once housed 2,000 psychiatric patients.

This single-track road rewards brave drivers with stunning Scottish scenery.

Even after the church tried to wipe the practice out, this pagan festival lives on each year in a small Scottish village.

These ruins witnessed the final gathering of the failed Jacobite Rebellion.

This Welsh village gave itself a ridiculous name in a publicity stunt a century ahead of its time.

Enter the world under the hill at this ancient UK burial chamber.

A long, winding trek rewards you with a gorge so captivating it inspired a painting in the Tate.

Although it appears ancient and mysterious, the quirky folly was actually built 200 years ago by an eccentric estate owner.

This tiny little pool is said to be home to a malicious mermaid named Jenny Greenteeth.

The only fixed chain and post trail in Scotland snakes its way along the base of a towering seaside cliff.