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

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

The largest dune field in the Mojave offers a chance of hearing the 'singing sands.'

Once America’s most beautiful army base, this abandoned military fort on the coast of Monterey Bay has been left to the elements.

The ghostly remains of an accidental sea.

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

The rocks in this arid basin leave trails of movement behind them.

The lighthouse central to the 1980s horror classic "The Fog" is, in fact, located in one of the foggiest areas of the Pacific Coast.

This dark, quiet forest on the outskirts of San Diego is dense with rumor and lore.

A vast city of the dead, where the deceased outnumber the living by more than a million.

Where there's quartz, there must be gold. Thus is the story of the mines of Julian, and the titillating times of the Gold Rush.

This ramshackle ghost town is comprised of mining-era buildings collected from around the region.

Eons old volcanic activity created one of the most stunning rock formations in the United States.

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

A desert ghost town—occupied for only 12 years—was once home to more than 500 silver mines.

On the Oregon coast there is a natural hole that seems to be draining the sea.

The short-lived railroad town in central Oregon has been abandoned since the 1930s.

Massive crater in central Oregon.

An institution that preserves the history of institutionalization.

The second largest waterfall by volume in the U.S., Willamette Falls is outdone only by Niagara in the amount of water that is pushed northward.

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

Rushing water plunges over a 100-foot drop created by an ancient lava flow at this majestic waterfall.

This frequently-photographed waterfall takes only a short hike to visit.