This underground cave located in the most barren reaches of Idaho is filled with ice year-round.

A volcanic core jutting above the plain between the Snake and Boise Rivers, a marker identifies the reference point for all U.S. Government Surveys in Idaho.

A ghost town in a remote corner of Oregon hosts a touching tribute to Sacagawea’s son.

An unusual waterfall in the Santa Rosa Range, within the Great Basin of Nevada.

An attractive alpine lake at 8,400 feet that is accessible via a paved road.

Drive up a paved road into "Nevada's Yosemite" for exquisite views and mountain hiking in an alpine setting.

This prehistoric karst cave is situated near a working ranch and historic warm springs.

Pay a visit to America's oldest yarn shop.

These 100-year-old tunnels in downtown Provo house artists, restaurants, and a few surprises.

A remarkably well-preserved stage stop from the late 19th century in a remote part of Nevada.

Although it also features red, orange, and variegated cliffs of Navajo Sandstone, this state park is often overshadowed by its more famous neighbor.

This church was constructed by a shipbuilder and designed like an upside-down boat.

Dozens of rockets and missiles are on display outside a testing facility in the Utah desert.

A unique collection of drawings that represent Fremont Native American culture.

Irontown was founded in 1868, as a second attempt to mine iron from the nearby Iron Mountain.

Not your typical pet cemetery.

The only remains of a 1918 section of Route 30.

Colorful sand dunes create a unique attraction in this part of Utah's red-rock country.

Almost all that remains of a town dedicated to supporting the First Transcontinental Railroad.

Opened in 1911, this small shop is the oldest ongoing establishment in St. George.

These tall, red sandstone pinnacles outside Moab are often forgotten amid their more famous neighbors.

Walk through the sets of old western films at this small museum in Utah.

This now-abandoned part of the original transcontinental railroad route provides a surreal driving and historical experience.

Only ruined buildings and abandoned charcoal kilns remain of this once bustling Wild West boom town.