A beautiful geyser under environmental threat.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

10,000 flowered plants bloom in the City of Roses.

The longest continuous lava tube in Oregon.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

Gleaming self-built castle towers made from beer cans and inspired by "Vitamin Mary Jane."

Despite time, colonization, and the brutal New Mexican heat, these Pueblo ruins still stand.

This southwest-styled home in Santa Fe claims to be the oldest house in America thanks to an ancient bit of foundation.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

The oldest continuously occupied public building in the United States.

This giant pocket watch is the third iteration of a local landmark that has been standing just off the Santa Fe Plaza for over 100 years.

A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

See massive fossils that are over 200 million years old in northeastern Arizona.

One of the final grand railway depot hotel complexes is slowly being restored to its former glory.

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

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

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

This Native American settlement dates back to the Pueblo II period.

A monument to the one-armed geologist who led the first documented expeditions through the Grand Canyon.

This small interfaith chapel lies not far from the rim of the Grand Canyon.

This golf ball–shaped former desert real estate office now houses a UFO museum.

This giant temperature attraction created some giant electric bills.

The abandoned train depot now doubles as a well-placed rest stop for those who take the road less traveled.

The largest dune field in the Mojave offers a chance of hearing the 'singing sands.'