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

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

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

Canyon walls shrouded in ferns.

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

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

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

Each year these high desert hills are absolutely covered with poppy flowers in a surreal show of nature.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

Towering basalt columns, a creation of fire and ice.

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

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

The ghostly remains of an accidental sea.

A trash dump made beautiful by nature's power.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

Three generations of intrepid collectors display their curious artifacts in a homemade museum right next to the caves they discovered.

Supposedly Satanic numbers adorn this preserved submarine sail.

A small section of Boise, Idaho maintains the unique culture and traditions of the Basque people.

Sweet Willy, at 30 feet tall, is the world's biggest beagle.

Despite his legacy of work in Spain, Cuba, and Florida, the larger-than-life writer's grave is a simple affair tucked in an Idaho cemetery.

Home to the deepest rift anywhere on Earth.

This nature center has one of the largest collections of native raptors in the Pacific Northwest.

This historic steamboat is scuttled just a few hundred feet from where it was built over a hundred years ago.

A vertically floating hemlock controls the waves and weather at Crater Lake.