A town whose main resource was blue asbestos... what could possibly go wrong?

An abandoned mine now resembles a post-apocalyptic landscape of derelict buildings and blood-red pools of water.

The magical, mossy forest that inspired Princess Mononoke.

The rustic think-space of famed naturalist John Burroughs stands exactly as he left it.

This old cement mine has been used as everything from a mushroom farm to a recording studio.

Monty Python fans will recognize this abandoned mine as the Cave of the Killer Rabbit of Caerbannog.

At this cemetery, artists are invited to design their own gravestones.

This knockout museum lies in a sleepy corner of London.

Cliffs that hold fossils, including the earliest known reptile, dating back more than 300 million years.

The highest tides in the world come in and out here twice a day, allowing you to essentially walk along the ocean floor.

All that remains of the medieval palace of the famous "Black Prince."

This natural wonderland is a unique chance to explore a Carolina bay, a mysterious geological formation of unknown origin.

This natural sea arch highlights Ireland's rugged coastal beauty.

This sprawling woodland estate was the brainchild of iconic American industrial designer Russel Wright.

A quaint museum nestled in a former hub of Irish moss harvesting.

The enormous earthwork sculpture honors the ponies that lived and worked in the old colliery.

The world's largest collection of garden gnomes lives among the trees and wildflowers on this woodland reserve.

A colorful "forest" made entirely from three tons of recycled plastic waste.

Twelve hundred stone carvings guard this off-the-beaten-path Buddhist temple.

In this brilliant blue spring in Germany, legend has it that a sad mermaid learned to finally laugh.

The bright red stripes streaking across the rocks are the star feature at this Icelandic waterfall.

Thousands of birds nest in the cliffs while arctic foxes prowl below.

Roughly 17 million letters to Santa have found their way to this Arctic Circle post office.

The third-largest island in Canada is one of the remotest places on Earth.