Ruins of the elaborate house where the enigmatic costume designer threw glamorous parties for New York's theatrical elite.

The granite monument is engraved with the image of the talking horse's head coming through a barn door.

A little piece of the Shire is hidden behind a plant nursery in Port Orchard, Washington.

Of all the origin stories for weed's secret code, this one likely has the goods.

A well-worn marker in a forgotten alleyway is all that remains of what had been one of Manhattan's most beautiful buildings.

A giant desert bird that once swung music fans at Coachella now has a home in a nearby traffic circle.

Abandoned since the 1950s, the streetcar lane beneath the heavily trafficked bridge lays empty and unused.

Of course the guy with the first patent for an ice machine lived in Florida.

A wealth of local folk art, antiques, and curios, without ever leaving your car.

Before Nixon, "watergate" meant canals.

A mysteriously abandoned campsite in San Angelo State Park.

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

The old Route 66 town straddling Texas and New Mexico died along with the Main Street of America.

A tiny monument to the unsuccessful attempt by Thomas Jefferson to place the prime meridian in Washington.

The site where a nuclear bomb was lowered over 8,000 feet underground and detonated as an experiment in natural gas extraction.

A working model of a pressure-driven, high-speed rail whizzes around a private vineyard.

A well-preserved Ancestral Puebloan ruin tucked beneath a desert cliff.

This Pringle-shaped ledge makes for the perfect photo op.

A petroglyph map of the upper Snake River carved by prehistoric hunter-gatherers.

The cave where two British judges hid in exile after sentencing the king to death.

The evolution of recreational vehicles and motorhomes is on display in the “RV capital of the world."

A pair of large white marble lions guard this stretch of the Mojave Desert, and it is utterly mysterious how they got there.

This Old West eatery along America's Loneliest Road was originally a stop on the Pony Express.

This sandstone mansion was the home of two of Oregon's most important pioneers.