Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

Rare and gorgeous birds abound in this protected wildlife sanctuary.

One of the "twins" in these falls on the Snake River was sacrificed for hydropower generation in the 1930s.

A volcanic fissure over two miles long and up to 70 feet deep.

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

This supper club is a slice of old Las Vegas.

Well-preserved ruins in the Pine Grove Hills of western Nevada.

Two geologically young and nearly circular volcanic subsidence craters, each about a half-mile in diameter, abruptly break the nearly featureless Snake River Plain.

Many believe these images represent interstellar lifeforms.

An eatery for UFO seekers on the Extraterrestrial Highway.

This balancing rock is one of Utah's most unusual geological formations.

These tourist trap caverns are said to be the former home of a legendary Pennsylvania Hermit.

This museum focuses on the history and culture of the German settlers in Pennsylvania.

Sail through this subterranean show cave that is home to a legend that would go on to name nearly everything around it.

Where the oil industry began.

The only statue of its kind to commemorate Washington's beginnings as an officer of the British Colonial Militia.

Rocky outcrops containing overhangs, caves, fissures, clefts, and alcoves that invite exploration and scrambling.

The remote graves of a Scottish family who died of thirst while attempting to reach St. George.

A spectacular slot canyon at the northern edge of Lake Mead National Recreation Area.

This dry lake bed was once an emergency landing strip for military and experimental aircraft.

A mining camp built around an unexpected occurrence of silver.

An improbable sinkhole in the sediments flanking the Beaver Dam Mountains.

The sump of the landlocked Carson River is a haven for wildlife.

A spring and an enigmatic cabin lie in a ponderosa pine forest in the heart of the Desert National Wildlife Refuge.