Now nearly abandoned, Kaskaskia was once the capital of Illinois and one of the most important towns on the upper Mississippi.

A museum and gift shop in a small Illinois town commemorates the work of E.C. Segar and the local figures on whom he based his characters.

The hometown of Popeye's creator is littered with a growing collection of granite cartoon characters.

Experience a charming 1930s version of "infotainment."

A reproduction of earth's many biomes.

An early 20th-century jail not far from the infamous Tombstone, Arizona.

A short interpretive trail about one of the first human cultures in North America.

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

An old saloon in the West filled with history, and according to some, a few dozen ghosts.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

Speak to a companion on the other side of the room loud and clear through this architectural anomaly.

Less a museum than a bizarre fantasy world created by artists and engineers.

One of the world's earliest skyscrapers.

A creepy sculpture of a decapitated head invites viewers to see St. Louis through its empty eyes.

The famous Beatle secretly visited this Illinois town several times to visit his sister.

A historic hotel library in Indiana hides more than a few secrets on its shelves.

A turn-of-the-century architectural marvel built on healing mineral springs and salt licks.

In the Shawnee National Forest, amazing rock formations peer through the treeline.

River pirates, murderous bandits, and serial killers used this Illinois cave as their debauched hideout.

You thought Santa Claus didn't exist, but it turns out you were wrong.

The farm where one of America's greatest leaders was raised is now a well-appointed landmark.

Part of a worldwide art project, this mysterious semicircle of concrete shapes holds the pieces of a larger story.

Home to a collection of artifacts and specimens from one of the world's preeminent geologists