The United States's largest hand-dug well is topped with a state-of-the-art museum.

Massive still life just off the highway in Kansas.

These elevated trucks were put in place as a middle finger to The Man, but are now considered folk art.

Marking the spot where a conquistador gave up his search for the fabled Seven Cities of Gold.

Home to Hollywood history and a very special salt crystal.

A unique attraction and museum dedicated to exploring iconic roadside structures.

Once a mortuary that held the remains of Buffalo Bill, this Denver hotspot is now a death-fixated restaurant.

A seven-story 1920s mausoleum outside Denver houses thousands of remains.

This now-abandoned outcrop is an important Native American spiritual site, overtaken by European settlers and mining pollution.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

A legal loophole makes it possible to get away with murder within this 50-square-mile section of Yellowstone.

Home to a timed geyser created by complete accident.

Home to the deepest rift anywhere on Earth.

The summer tourists on these cliffs are thousands of seabirds.

A petroglyph map of the upper Snake River carved by prehistoric hunter-gatherers.

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

Rare and gorgeous birds abound in this protected wildlife sanctuary.

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

Birdhouses, peacocks, animal sculptures, and a graveyard are all found along this eclectic nature trail.

Jail from the 19th century that was built by inmates.

The largest outdoor art gallery in the Northwest United States.

The oldest apple tree in the Pacific Northwest.

A midcentury ranch house hides a literal treasure trove of unique rocks and minerals.

A heavenly experience, right here on Terra Firma.