A nature and cultural preserve named for its multitude of petroglyphs carved by the Northern Sinagua people.

Ancient pueblos built into the base of a natural canyon wall.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

A stealthy Apache hideaway that became the haunting site of a mass grave.

The story of Two Guns, Arizona could easily be described as a Shakespearian tragedy on Route 66.

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

A pair of giant roadside arrows are all that remains of a former Route 66 trading post.

Elephant seals and sea lions have turned the abandoned buildings on this island into their endangered love shack.

Once close to extinction, there is no shortage of elephant seals on the beaches of Año Nuevo State Park.

Home to the "Circus" trees created by Axel Erlandson.

Two rocks in a perpetual kiss and one of "the most romantic spot in America."

A prehistoric landscape hidden in the cliffs of Maha'ulepu.

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

A Roman-style column in Oregon hides a spiral staircase inside.

Once the largest windmill outside of Holland, with enormous 114 foot sails.

An elaborate gift from Claus Spreckels is now a piece of San Francisco history.

Faceless white figures loom over the city from the rooftop.

A glimpse into the lives of the the Miwok and Paiute people in Yosemite National Park.

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

A giant chess set, minus the psychedelic drug trip.

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

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

It's not your typical library, memorial, or book store.

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