Spectacular volcanic cliffs along the Crooked River invite hiking, rock climbing, and photography.

This spectacular fault escarpment, a popular hang-glider launch point, extends some 30 miles long and towers about 2,500 feet over the valley floors to the west.

Oregon's only closed-basin hypersaline lake, an important stopover for migrating waterfowl, is in danger of drying up completely.

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

A picturesque (all-natural!) beach in a landlocked state.

A natural sandstone bridge nestled within a mature forest in southern Illinois.

The arch marks the beginning of the road for northbound travelers.

This rusted car found in Petrified Forest National Park's Route 66 exhibit may be the most photographed abandoned car in the country.

Multiple waterfalls and several historic CCC buildings anchor this state park in Oregon's Willamette Valley.

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

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

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

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

Two tall rocks sit at the center of this site, once the home of a large Ancestral Puebloan community.

The highest point in Oklahoma used to be a lawless outlaw's paradise.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

Inspiring Herman Melville and Henry David Thoreau, Mount Greylock in western Massachusetts is the highest point in the state at 3,491 feet above sea level.

As state highpoints go, this spot is one of the lowest, but for years it was also the hardest to climb.

One of the most scenic falls in Massachusetts has a history of death and grim legend.

The highest point in Connecticut was incorrectly memorialized before surveyors discovered the actual spot.

The highest point in New Jersey is marked by a massive, if simply named, obelisk.

The highest point in Delaware is located under a trailer so this marker across the street will have to do.

In the Shawnee National Forest, amazing rock formations peer through the treeline.

Erosion and time have created a naturally-formed water park.