The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

Staves, storm-calling, and of course, necropants.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

The real life Hobbiton, this sheep farm has been forever transformed since being built for The Hobbit film series.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

A fiery crater has been burning in the Karakum Desert since 1971.

A 16th-century horror show built in a lovely Italian garden.

Tucked in the back of this amazing antique store is an important piece of medical history.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

A church of bones, decorated with 40,000 human skeletons.

The ghost town left by the worst nuclear disaster of all time is being taken over by nature and urban explorers.

Medicinal spa created with the discharge from a geothermal energy plant.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

Rippling sand dunes frozen in the Arizona rock.

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

On Japan's Tashirojima Island, cats are king.

The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.

The sign at the garden gate reads: "These Plants Can Kill."

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

Sweden's first nuclear reactor, R1, can be visited 25 meters underground.

No one knows who's responsible for decorating this tunnel with stuffed animals, but the people love it enough to protest their removal.

The remains of Alfred Nobel's first nitroglycerine factory can still be found on the shores of a Swedish bay.

This Stockholm light tower can be controlled by anyone with a smartphone.