Mummies preserved naturally for seven centuries.

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

Every autumn, this hillside is ablaze with red summer cypress.

This faux-seedy Japanese arcade is made up to look like a maze of alleys straight out of a cyberpunk dystopia.

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

A beautiful, dense forest in the shadow of Mount Fuji, with a tragic reputation.

An exquisite tunnel of cascading flowers.

A statue erected on an infamous cliff where young boys would hold dangerous "pee offs" to prove their mettle.

The remains of diamond fever taken over by the desert.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

This beautiful natural train tunnel is said to grant the wishes of visiting lovebirds.

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

The ghostly remains of an accidental sea.

On the Oregon coast there is a natural hole that seems to be draining the sea.

Dramatic river bend surrounds a natural red-rocked pedestal.

The fairy tale castle of the "fairy-tale king."

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

Most-visited and most-photographed slot canyon in the American Southwest.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

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

Rippling sand dunes frozen in the Arizona rock.

A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.

World's first "penitentiary," meant to be humane, drove men insane.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.