This extinct shield volcano is the lightning rod of the Cascades.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

A vertically floating hemlock controls the waves and weather at Crater Lake.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

Standing 191 feet tall and measuring more than 55 feet in circumference, this is the world's tallest spruce tree.

At the most northwestern point of the contiguous United States lies a trail leading through an ancient forest to stunning cliff-side vistas and massive oceanside caves.

A surreal landscape where fanged rocks rise from the ground and the ocean feels like a great mystery.

Shoreline strewn with the remains of ghostly fallen trees.

A glimpse into the "Logging Capital of the World" at a time when there was far more forest and far less machinery.

Stroll through a wonderland of stupendous moss-covered trees.

Rustic natural hot springs in the deciduous rain forest.

A sun-filled museum featuring an ever-rotating collection of classic and exotic cars.

A tiny red pebble marks what may be the quietest outdoor spot in the United States.

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

This Cold War siren is one off the last of its kind still standing with its immensely powerful original horn.

A lush Seattle garden designed by the same landscape architects responsible for New York's Central Park.

An abandoned network of military bunkers and tunnels open for anyone willing to descend into the darkness.

On the edge of this small Washington Park, a piece of the Earth's mantle has come to the surface.

Stones speckled along Harris Avenue reveal hidden nuggets of the past.

The illuminated falls are a gem in North Cascades National Park.

A bizarre roadside attraction and the first instance of miniature golf in the world.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

This historic train station has been converted to a locomotive themed hotel.

Underneath downtown Lincoln resides a network of caves that was also the city's first brewery.