See the imprints of ancient trees, burned and preserved by lava.

This scenic gorge is named after one of the most famous Bigfoot attacks in pseudohistory.

The highest point in Washington state is a volcano covered in glaciers.

Not far from Mount Rainer, an iron wonderland claims the landscape.

You might know it as the Overlook Hotel, but the inside is not going to be familiar.

Approximately 50,000 gallons of water gush from these springs, creating the Metolius River.

This lake in the Cascades lives up to its name, disappearing down a hole every spring.

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

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.

This railroad magnate's 19th century tower is more than a little bit out of place in the Nevada desert.

Officially named the "Loneliest Road in America," this barren stretch of Nevada road offers almost nothing but sky and open fields.

This rest area is also home to a remarkable petroglyph site.