The beautiful behemoth is one of the largest trees of its kind in the United States.

This Pringle-shaped ledge makes for the perfect photo op.

Oldest building in California still in use.

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

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

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

"Only the devil could play golf here."

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

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

Along a California highway is a kind of Jurassic Park made of metal.

The ghostly remains of an accidental sea.

Burping, gurgling geothermal mud pots by the Salton Sea.

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

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

An off-grid art installation that encourages its visitors to imagine a world without waste.

Semi-recognized center of the world, with many oddities.

A reproduction of earth's many biomes.

The world's largest military aircraft cemetery.

This roadside stop between Goblin Valley is the perfect location to view some of the region's natural wonders.

A spectacular overlook of the Little Grand Canyon of the San Rafael River, a deep sandstone gorge streaked with orange, red and white in a remote, uncrowded part of Utah.

Once a menacing challenge for trailblazers, this trail is now the most scenic drive in Utah.

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

More than 25 fully functional scale replicas of famous lighthouses dot the shores of Lake Havasu.

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