A hidden subterranean installation offers a view of the sky.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

A beautiful geyser under environmental threat.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

A battle between nature and architecture in the Cambodian jungle.

Pompeii's less famous neighbor is still revealing her secrets.

One of the oldest medical collections in Europe focusing on rare surgical instruments.

Cabaret where the show girls are all androids, and the patrons couldn't be more pleased.

A psychedelic labyrinth on the San Francisco bay.

Thousands of exquisitely carved stone water storage wells, hundreds of stone steps fill this exquisite medieval stepwell.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

Rising from the sea like a stone monster.

The only theatre in the world constructed specifically for sound movement.

A strange house built only at night, with rumored mystic inspiration.

Towering basalt columns, a creation of fire and ice.

Famously misunderstood wonder of the ancient world

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

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

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

A snapshot of the city's fascinating voodoo culture.

Since 1874, this macabre collection has developed into a museum devoted to Scotland Yard's mementos of dastardly deeds.

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

A toxic ghost town sitting atop a massive coal fire.