This massive mushroom has spent centuries eating its way across a huge swath of Oregon.

Once a menacing challenge for trailblazers, this trail is now the most scenic drive in Utah.

This rocky spread has been squeezed up directly from the bowels of the earth.

One of America's most historic homes also holds a startling literary legacy.

Alien rock formations grown from the sands of an Australian national park.

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

The only thing stranger than stumbling onto these philosophical musings is the story of the homesteader who created them.

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

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

Hundreds of pieces of ancient Taíno art cover the walls of this Caribbean cave system.

A white oak with property rights.

Impossibly life-like natural history models created out of glass by a father and son.

A garden of flying flowers.

A small "palace" and museum made of, and devoted entirely, to salt.

This small primate research island is teeming with playing, fighting wild monkeys.