Unknown to many, this sparkling turquoise lake hides amid Oregon's snowcapped mountains.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

A walk through the historic city center, under the streets of Seattle.

Home to the deepest rift anywhere on Earth.

The highest paved road in North America winds its way up Mount Blue Sky in Colorado to an altitude of 14,130 feet above sea level.

Despite being one of the most photographed vistas in the Rockies these twin peaks are rightfully known as the "Deadly Bells."

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

This 40-room dwelling tucked within a cliff was built by the basin's prehistoric residents.

Witnessing the might of this dessert-colored desert waterfall is a rare, powerful treat.

Rippling sand dunes frozen in the Arizona rock.

This Wyoming town is fascinated by a particular mythical creature.

Creek water that starts here has a 50/50 chance of ending up in the Atlantic or the Pacific.

The first declared National Monument in the United States.

Hundreds of handmade critters fill this tiny window gallery in the heart of Portland's Alberta Arts District.

Sasqu(w)atch out!

A volcanic landmark located on an Ice age lake bed.

Not-so-fearsome tiny trolls live under this wooden train trestle in Portland.

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

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

This gallery of prehistoric red ochre art lines the wall of a scenic segment in Utah's San Rafael Swell.

Hundreds of drawings left by the land's previous inhabitants remain mysterious.

Giant pinnacles in the sun-scorched lands of Southern Utah have been nicknamed "white ghosts."

Sandstone rock formations that look like they belong on the cover of a progressive rock album.