An arsenic-filled pool in the Grand Canyon takes on the appearance of a giant, overflowing pumpkin.

The eroded core of an ancient volcano is now accessible by a short hike.

Witnessing the might of this dessert-colored desert waterfall is a rare, powerful treat.

Eons ago, a rushing lava river formed this pristine passage through solid rock.

See massive fossils that are over 200 million years old in northeastern Arizona.

An abandoned facility that has become a place of ritualistic satanic worship, or so rumor has it.

Take a monster truck tour around an ostrich farm in the middle of the desert.

Limestone caves with spectacular showcase chambers.

A 12,000-year-old bog boasting rare plants and fauna.

Beautiful natural falls where Satan once ruined a pot of beans.

This narrow canyon has been carved by the river over thousands of years into spectacular and curious forms.

These towering spires and glowing walls are carefully crafted from hundreds of thousands of icicles.

An enormous, inside-out glass globe built in 1935.

The largest natural travertine bridge in the world is nestled in a small canyon in central Arizona.

A meditative space out of a fantasy story.

In the days before HD projectors and IMAX, some of the most powerful projectors belonged to planetariums.

Carved by a waterfall in a hard-to-reach rock formation, this heart-shaped rock has inspired romantics for decades.

This rare example of a "tidefall" is a spectacular drop from the cliffs down onto the beach.

The lighthouse central to the 1980s horror classic "The Fog" is, in fact, located in one of the foggiest areas of the Pacific Coast.

A classic carnival ride that was carved to be untouchable.

This off-the-beaten-path abandoned town is a relic of Montana's silver mining boom.

A walk through the historic city center, under the streets of Seattle.

A New England-style lighthouse along California's beautiful Highway 1 gets a re-do.

Once close to extinction, there is no shortage of elephant seals on the beaches of Año Nuevo State Park.