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.

These black pillars of volcanic basalt seem to call mountain climbers with an unbreakable siren song.

When in Idaho, sleep in a giant potato.

This set of hot springs also comes with fantastic views.

This landmark is a central figure in the Nez Perce origin story.

This massive mushroom has spent centuries eating its way across a huge swath of Oregon.

The longest continuous lava tube in Oregon.

A rugged lava field dotted with molds of the ancient pines that were growing when the volcano erupted.

Formerly secret, precariously perched boulders.

This great stone guardian of the forest is a relic from the land's volatile volcanic past.

Oregon's unexpected high desert, displaying layers of time in a colorful show.

Remember that scene in the Matrix, when Neo is in the big white room with all the weapons flying by? Well, this is what it would look like if he had wanted trees instead of guns.

Despite a legend that says this highest peak in Oregon was climbed in high heels scores of people have died on its slopes.

This natural marble cave is one of only five national monuments in Oregon.

This large maar crater in Oregon is the bigger brother to Hole in the Ground.

Massive crater in central Oregon.

One of the largest fleets of armored vehicles in the world, sitting out in the California desert.

Secret Manor, a house full of legends, the least of which is the haunting of long-deceased ladies of pleasure.

This hiking/biking/horse trail along an old railroad grade features trestles, tunnels, and a roadless stretch through the scenic Susan River canyon.

At the edge of the high desert, California's second-largest natural lake is home to a unique subspecies of trout adapted to its alkaline waters.

Sunset-colored dunes of volcanic ash make taking a poor photo impossible.

The flow from this waterfall sometimes comes out of springs below its rim.

Local lore holds that Butch Cassidy took an escape route through Red Canyon's sandstone hoodoos after an attempted murder.

This ancient cave is home to a museum, bar, and is filled with fluorescent minerals.