Where dogs like the rare "Fire-Tailed Border Cocker" run free on the mountainside.

Sloth rehabilitation center in the jungle of Costa Rica.

Century-old shop, specializing in Occult products.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

Protecting the dead from opportunistic body snatchers.

Britain's only herd of free-ranging reindeer.

A red sandstone freestanding monolith rises out of the sea in northern Scotland.

A scattered trail of street art adds a pop of color to the city's stark structures.

The last inhabitants of one of the U.K.'s most remote islands were evacuated in 1930.

A pagan tradition of draping trees with rags eerily lives on.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

Spend the night in this formerly abandoned traditional Scottish village.

The ruins of this gorgeous clifftop castle look like something from a fantasy novel.

Ancient cliffs resembling a kilt on Scotland's second largest island emit an entrancing sound.

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

These fantastically named natural pools look like something out of a Scottish myth.

These enduring murals depicting a distinctly Marxist tribute to capitalism could not even be defeated by McCarthyism.

This Detroit ruin was once a gothic bastion of its community, but now it stands as a haunting ruin.

Abandoned concert venue legendary for its rock counterculture.

The house that birthed The Old Man and The Sea is now a museum devoted to the old man who wrote it.

In terms of history and architecture, this is one of the most remarkable cemeteries in the world.

A Cuban artist reclaimed his impoverished neighborhood as a dreamy folk art kingdom.