A volcanic tunnel illuminated by natural skylights offers a shaded respite from the desert sun.

In the middle of the desert, miles from any human life, sat an anomalous pay phone that still magically answers your calls.

The world’s largest concentrated solar plant generates as many problems as megawatts.

Brightly colored 30-foot-tall totems light up the desert sky just outside Las Vegas.

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

A tunnel with windows, so you don't miss out on the impressive views.

The lost ruins of the forgotten ferry lie hidden beneath the silt.

An arsenic-filled pool in the Grand Canyon takes on the appearance of a giant, overflowing pumpkin.

Despite its name, this route in southern Utah offers a heavenly day trip.

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

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

Bizarre lunar-like landscape with thousands of large stone "hoodoos."

This roadside stop between Goblin Valley is the perfect location to view some of the region's natural wonders.

At this gas station in the middle of the desert, a convenience store has been carved directly into the rock.

A striking, menacing sandstone peak towering above a landscape that's equal parts Mordor and the Moon.

Once a menacing challenge for trailblazers, this trail is now the most scenic drive in Utah.

Oddly shaped rock formation, misassociated with a nearby utopian community.

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

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

Native Americans built this circle of stones, which was used to predict astronomical events.

A devilishly named gorge that was a sign of salvation for many pioneers.

The largest dinosaur trackway in North America is tucked away among this canyon's ghosts and archaeological gems.

The semi-reclaimed ruins of this canal were once part of an ambitious plan to reroute the mighty potomac.

Captain John Smith thought these cliffs were amazing in 1608 but sharks thought so 20 million years before him.