The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

The Zalud family experienced a number of tragedies in one decade, giving rise to rumors that the 19th century house is haunted.

One of the last free public hot springs is decorated with hippie art.

Finale of "William Tell Overture" can be heard as drivers pass over grooves in the road.

Gouged in the mountain to make stage coach access easier through the Fremont Pass.

A hotel and restaurant serving as the mecca of kitsch.

A museum dedicated to the mysterious cryptid.

In the middle of a suburban Denver neighborhood is a cave that once provided solace for a prominent Ute chief and his family.

An impressive collection of over 50,000 minerals including moon rock from the Apollo 17 mission.

The final resting place of American icon Buffalo Bill, and a museum that aids in telling his tale.

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

This interpretive path lets you get up close and personal with dinosaur bones.

Dig for your own trilobites in this goldmine of invertebrates.

The fifth-longest natural arch in the world, and the longest outside China.

A house carved into a rock in the 1940s.

One of the world’s largest collections of petroglyphs records 2,000 years of human activity.

This Moab institution functions as both a rock store and a small natural history museum.

A spectacular overlook of the Little Grand Canyon of the San Rafael River, a deep sandstone gorge streaked with orange, red and white in a remote, uncrowded part of Utah.

One man has installed bathtubs into the Utah desert floor to harness the powers of a natural hot spring.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

This ancient cave is home to a museum, bar, and is filled with fluorescent minerals.

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

A desert ghost town—occupied for only 12 years—was once home to more than 500 silver mines.

Decommissioned experimental solar facilities that pioneered solar energy technology.