The deepest hole drilled in the name of science, where evidence of Precambrian life was found.

This desert oddity hides in plain sight thanks to a cartographic error and a desert explorer with a punny sense of humor.

A hidden subterranean installation offers a view of the sky.

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

In the country around Buttonwillow, California, a marker commemorates a revealing moment in the story of a water colony from the fictional Kcymaerxthaere that sought independence.

This oceanside Reykjavik spot is speckled with recycled sculptures and large stones.

The largest whale museum in Europe allows visitors to walk among life-size giants.

This pseudo-steampunk weapons facility is the world's largest wood and glue structure, and packs quite a wallop.

Decommissioned experimental solar facilities that pioneered solar energy technology.

A regular looking rock with an unbelievable history.

An artist's vision for connectivity spans seven continents and 16 countries.

On a barren hillside in the Yucca Valley, the recently restored Desert Christ Park has attracted pilgrims and kitsch hunters for over 50 years.

Explore 10 acres of environmental sculptures.

While exploring the desert, you can stop by the home of a fictional heretic from a parallel universe.

An eclectic trailer park retreat in the middle of the California desert.

The old Niles Canyon Aqueduct in the San Francisco Bay Area is a bemusing and secret trail through nature for wayward travelers.

Offering commanding views of the California coastline, this restaurant was a hub for the artists and bohemians of Big Sur.

A tree grown from astronaut seeds which were exposed to cosmic rays.

This municipal playground was co-created by the father of one of the most playful characters ever.

It should come as no surprise that the world's largest artichoke lies in the town that calls itself the "Artichoke Center of the World."