The second-largest giant sequoia in the world.

This crumbling Death Valley mining complex was known for its use of giant, 20-mule team wagons.

A massive hydrovolcanic explosion left a half-mile wide crater in Death Valley.

Marta Becket's hand-painted theater in the desert.

The tragedy of the Japanese internment camps is remembered here by a stark "Soul Consoling Tower."

Bits and pieces from the ill-fated Donner Party's winter cabins.

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

The abandoned train depot now doubles as a well-placed rest stop for those who take the road less traveled.

Ten 25-foot-tall, beehive-shaped kilns, abandoned in Death Valley.

Quite simply the largest tree in the world (by volume).

Towering basalt columns, a creation of fire and ice.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

The only diamond mine in the world where you can keep what you find.

The former home of the army detachment that captured Geronimo.

This small museum is dedicated to the study of coprolites, or fossilized poop.

This sinkhole in the Arizona desert is filled with carbonated, arsenic-rich water

This Native American settlement dates back to the Pueblo II period.

This huge dam across the Colorado River caused an armed standoff between two U.S. states.

After a short-lived attempt to bring America in line with the rest of the world, this road was left in metric.

Red sandstone structures dominate this landscape, which has been inhabited for some 5,000 years.

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

Walk through the actual strap iron cells and solitary chambers of Arizona Territory’s first prison.

A motel dedicated to Southwestern nostalgia.