An aluminum skeleton brings Chinese mythology to the French shore.

This "flat geyser" bubbles up out of the ground periodically like a disappearing river.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

One of the world's oldest and most massive living organisms is a grove of quaking aspens.

A battle between nature and architecture in the Cambodian jungle.

This lab's maddening silence is good for business but bad for sanity.

A layered tribute to the work of mosaicist Isaiah Zagar.

Rising from the sea like a stone monster.

A serpentine highway twists and turns over the treacherous Norwegian Sea.

Site of a former hidden treehouse in New Orleans.

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

A trash dump made beautiful by nature's power.

An Australian lake whose pink hue defies scientific explanation.

The ghostly remains of an accidental sea.

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

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

The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

A one-of-a-kind collection of a unique medium.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

An eerie, derelict amusement park in Berlin.

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."

A lovers' beach, tucked below the surface of the island, provides a safe haven for romance.