It's big, it's a ball, and it's made of twine—the world's largest of its kind.

This titanic oil company sign is a reminder of the Americana boom of the 1970s and also its commoditization.

This lesser-known geographic marker was the reference point for all surveys of the continent for 75 years.

Massive still life just off the highway in Kansas.

See six states, pickled freaks, rocks, and antiques.

Settled by the Church of Jesus Christ of Latter-day Saints in 1859, this abandoned frontier town has appeared in several films.

The "Fun Spot of the Desert" is now a haunting ruin, and a reminder that putting a water park in a desert is a bad idea.

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

The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.

Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.