A gothic palace of endless stalagmites and pseudoscorpions waits within one of the world's most beautiful caves.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

A curious cone-shaped structure made of wire and covered with antlers.

Beauty and history abound in this remote West Texas canyon.

Oh, just a motel on the edge of the desert decorated with thousands of clowns conveniently located next to an abandoned graveyard.

From the sky, a kaleidoscope of color brightens the grey landscape of the San Francisco Bay.

In the remote high desert of New Mexico, a strange array of poles beckon fury from above.

The artist James Turrell is repurposing an extinct volcano crater as an observatory to experience the cosmos.

Rippling sand dunes frozen in the Arizona rock.

A chance to sleep among the firs and pines of the Oregon forest.

A 90-year-old underground water reservoir offers a more industrial kind of tranquility.

Eons old volcanic activity created one of the most stunning rock formations in the United States.

Tour the world's largest deep-hole dimension granite quarry, where you can view the plant where gravestones are made and roll a ball down the outdoor granite bowling alley.