A multicolored mineral mound dribbles piping hot spring water right off the side of a highway.

This National Natural Landmark is one of the best examples of a “mass wasting” in the world.

A glimpse of a waterfall is reached by a steel catwalk along a slot canyon located in an Ouray city park.

Let Ouray’s tallest waterfall sweep your breath away on a dealer’s choice of scenic hikes.

This alpine statue of Jesus in Silverton is said to protect both miners and local economies.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

Despite being one of the most photographed vistas in the Rockies these twin peaks are rightfully known as the "Deadly Bells."

Silver in the hills led to the speedy creation of this boom town and a lack of it saw the town abandoned nearly as quickly.

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

The hallowed remains of a 900-year old Ancestral Pueblo great house.

A short but powerful waterfall resides amid Colorado’s Great Sand Dunes.

Historic, 19th-century wagon wheel ruts cut into soft volcanic ash.

A mural of the Virgin of Guadalupe painted on the rock wall by canyon's religious namesake.

Unlike most arches, this geological oddity formed in a volcanic dike.

The highest concentration of petroglyph sites in Gold Butte National Monument, plus an improbable early 20th-century dam.

Harder layers in colorful sandstone weather out as prominent “fins" and even more intricate and bizarre shapes.

An unusual slot canyon in the Aztec/Navajo Sandstone has a cross-section like an inverted old-fashioned keyhole.

An unexpected sinkhole in a desert flat within Gold Butte National Monument.

Named after an outlaw who used the basin as a hideout.

Nevada's largest cactus collection stands outside a candy mogul's small factory.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

This hidden gem in Arizona is truly worth the rugged journey.

Erosion and various mineral deposits give this striking canyon its distinct color and soft appearance.

This quiet park's strange sedimentary spires were named after Kodak's color film.