The self-proclaimed gateway to the Extraterrestrial Highway.

A concrete arrow from a 1920s network of airmail beacons is still preserved at the western edge of suburban Reno.

This Stonehenge-inspired solar calendar stands alongside a landfill, in the middle of the Nevada desert.

This trail leads to a mine that was used as a sanctuary during the Great Fire of 1910.

Scores of vintage street lamps shine along L.A.’s Miracle Mile.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

A library of rare occult books in Los Angeles.

A once celebrated industrial wonder now lurks in a quiet corner of Flathead Lake.

A small Montana town commemorates the dog who waited at the train station every day for his owner to return.

The formidable fowl can be found standing near an isolated hiking path.

Small Nevada town embraced its designation as the "Armpit of America" with an Old Spice-sponsored festival.

Curiously, this large sporting goods store features 14 wax representations of American presidents.

The colossal cartoon man stands outside a Nevada museum.

This sign designates the road that leads to the infamous Area 51.

A mining town, now abandoned, was built in a canyon so narrow that the railroad ran right through the hotel lobby.

Home to the deepest rift anywhere on Earth.

A 140-year-old castle with underground caves hidden in San Francisco.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

The legendary building that needed ghostly approval before being built.

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

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

A huge musical instrument played by the ocean.

After Havre burned down, the best place to build was under the ashes.

These giant metal horses graze on a hilltop near the Montana highway.