The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

Towering basalt columns, a creation of fire and ice.

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

One of the last free public hot springs is decorated with hippie art.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

A spiritual vortex among the red rocks in Sedona.

The drama of nature in full effect in this Nevada State Park.

Dramatic river bend surrounds a natural red-rocked pedestal.

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

Most-visited and most-photographed slot canyon in the American Southwest.

An abandoned Jazz Age dream home and con man's hideout in Death Valley.

A massive volcanic plug is now a protected area that hosts a number of bird species.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

The headquarters of a secretive order is also a beautifully-designed park.

This giant shopping mall still holds signs of its automotive past.

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

A classically inspired temple in Redwood City.