Eastern zen meets Western grit in these four little trees growing out of a rock on Lake Tahoe’s Nevada shore.

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

The best Tiki bar in Las Vegas.

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

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

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

Named after a bandit and the star of several Hollywood prehistoric landscapes, these sandstone formations are a historical part of the Los Angeles natural landscape.

The highest dunes in California are the most likely place in the area to hear the Singing Sands.

A volcanic tunnel illuminated by natural skylights offers a shaded respite from the desert sun.

These millipedes glow not out of attraction, but as a not-too-subtle warning.

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

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

This abandoned Navy base was transformed into an off-grid alternative living community for thousands of people.

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

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

Trails through lava-carved tube-caves display sparkling bacteria and a rich history.

Canyon walls shrouded in ferns.

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

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

Towering basalt columns, a creation of fire and ice.

The ghostly remains of an accidental sea.

A hand-built folk art installation covered with messages of God's love.

The rocks in this arid basin leave trails of movement behind them.

It should come as no surprise that the best view of the Hollywood sign is from Batman's lair.