This collection of vintage signs reflects the long and colorful history of this Arizona town.

The fictional star of "Breaking Bad" is memorialized with a real-life gravestone in his hometown.

A beautiful red-faced slot canyon in northern New Mexico.

On the edge of the Valles Caldera National Preserve, these rock formations create an eerie landscape.

Deadly airliner crash preserved for those willing to climb and pay respects.

This collection of neon icons is preserving Arizona's history, one sign at a time.

An off-the-beaten path cave with an underground lake.

One of the most extensive and well-preserved collections of dinosaur footprints in North America.

The eroded core of an ancient volcano is now accessible by a short hike.

This historic national park is covered in the stunning ruins of red rock pueblos.

A stealthy Apache hideaway that became the haunting site of a mass grave.

Eons ago, a rushing lava river formed this pristine passage through solid rock.

The wreckage of a deadly bomber plane crash can still be found near an Arizona peak.

Ancient pueblos built into the base of a natural canyon wall.

Although now a decaying ruin, this stone cabin's history includes several notable figures.

On the outskirts of a reborn ghost town, a decaying post office remembers the bad old days.

A self-built castle made by a mysterious man.

This 40-room dwelling tucked within a cliff was built by the basin's prehistoric residents.

A partial tunnel blasted into a steep ridge is all that remains of a failed railway across Arizona.

The largest natural travertine bridge in the world is nestled in a small canyon in central Arizona.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

A plaque commemorates the spot in the Oregon woods where the first-ever Geocache was hidden.

This small museum gives visitors a chance to soak up the history of the "sponge capital of the world."

A luxuriant botanical garden below sea level.