Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

This life-size bronze statue remembers the tallest recorded human in his Illinois hometown.

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

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

This is not your typical jungle gym.

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

You have to love a museum with a truly dedicated focus. A focus on Superman, for example.

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