Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

Brightly colored 30-foot-tall totems light up the desert sky just outside Las Vegas.

The now-abandoned tunnels were built for the transcontinental railroad on the route where the first wagon train entered California.

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

One woman's Viking Castle on Lake Tahoe.

"Only the devil could play golf here."

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

Millions of years of oxidation make a drive down this winding Death Valley road surprisingly colorful.

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

A man-made island in scenic San Francisco Bay.

A 90-acre park on former landfill that hosts an annual kite festival.

An "anarchical" no man's land, complete with garbage sculptures and a hobo-run "Landfillian Library."

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

This Old West eatery along America's Loneliest Road was originally a stop on the Pony Express.

A tree bears footwear on the loneliest road in America.

Officially named the "Loneliest Road in America," this barren stretch of Nevada road offers almost nothing but sky and open fields.

The longest living non-clonal organisms on Earth.

The current Eureka County Courthouse replaced an all-wooden structure that had previously been an ice-skating rink.

This naturally heated mountainous creek has created a group of neon blue pools of potentially deadly boiling water.

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

Towering basalt columns, a creation of fire and ice.

A natural dome made of volcanic glass in Inyo National Forest.

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

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.