A sealed test tube said to hold Thomas Edison's dying breath was given to the inventor's friend and mentee, Henry Ford.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

A slab of sandstone covered with mysterious 1,000-year-old rock carvings from a vanished North American culture.

There are eight natural springs around town, each with a slightly different taste.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

While most of the games in this arcade take quarters, that would have been a small fortune when they were made.

The highest bridge in America was built for an almost unnervingly small amount of money.

When ecosystems collide in the arid Southwest.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

One woman's Viking Castle on Lake Tahoe.

An exotic wildlife habitat right off The Strip.

Experience a charming 1930's version of "infotainment."

There's nothing creepier than a cemetery next to a clown motel.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

Oh, just a motel on the edge of the desert decorated with thousands of clowns conveniently located next to an abandoned graveyard.

Scary metal statues adorn some of the signature buildings of Burlington, VT.

A massive sustainable farm designed by the mastermind behind Central Park.

This large cemetery is known as the museum of granite sculptures.

The sweetest graveyard in the world is filled with headstones for dearly de-pinted ice cream flavors.

Three and a half miles of cliffs, rocky beaches, Gilded Age mansions and 40 Steps to nowhere in particular.

Last residence of H.P. Lovecraft featured in his story "The Haunter of the Dark."

Hot Doug's "Hot Dog" Stand.