Shoreline strewn with the remains of ghostly fallen trees.

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

A small storefront museum explores the history and myth of West Virginia's famous urban legend.

This red-eyed chrome beast pays homage to the popular modern myth of West Virginia's insectoid monster.

A museum to a cave explorer whose tragic death was a media sensation, and whose corpse became a tourist attraction.

The world's longest known cave system.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

These sub-farmland caves are home to a majestic stalactite known as the "Crystal King."

The interior of the Overlook Hotel in "The Shining" was based on this Yosemite original.

This stoic, if derpy, giant stands as a monument to Oregon's statehood and the novelty culture of yesteryear.

The longest continuous lava tube in the continental U.S. offers 2.5 miles of dark explorations for the adventurous.

While it is not equipped to peer into outer space this observatory looks like it was built on the moon.

A French chateau, failed utopian community, odd museum, and Stonehenge replica in rural Washington State.

A fine, large-aperture telescope available for public use.

Oregon's unexpected high desert, displaying layers of time in a colorful show.

Massive crater in central Oregon.

The longest continuous lava tube in Oregon.

This Nevada lake holds its titular natural pyramid and, if the legends are true, a number of dangerous spirits.

The last physical evidence of the Lewis and Clark trail is one of their autographs etched into this giant rock.

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

Devilish landscape, once cinema home to giant alien bugs, now derelict roadside attraction.

This prison-turned-museum is a remnant of the Old West's grizzly, violent past.

Natural sonic phenomenon comes with a grisly legend of murder and blood.

New fungal and bacterial species call this deadly lake home.