This hidden stream beneath Indianapolis makes an appearance in the best-selling novel "Underground Airlines."

A modern-day wunderkammer dedicated to Indianapolis history, Afrofuturism, and musical vibrations.

A stunning, abandoned limestone quarry in southern Indiana provided the stone to erect the Empire State Building.

Local history on display in Indiana's first Carnegie Library.

At 431 feet and 10 inches, this is the longest historic covered bridge in the United States.

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

On the grounds of this study, Lew Wallace composed "Ben-Hur: A Tale of the Christ" and many other works.

This former mill tunnel was blasted under the ridge to divert a portion of the Muscatatuck River.

A park where you can watch the highway zoom past.

Purdue students would lean over this iron fence to skirt campus rules against smoking and courting.

Marine fossils from the Devonian period are exposed at this park.

Low-frequency noise compared to an idling train can only be heard by some of this industrial town's residents.

A unique outdoor timepiece at a "clothing-optional" resort.

The massive, original Colgate Clock is mounted on a defunct factory building that was once a prison.

The highest point in Indiana is curated by an Eagle scout but may be in danger of losing its record to a nearby garbage pile.

Enjoy classic musicals with a home-cooked meal at this former staple of American social life.

The large rock formation where the Shawnee prophet Tenskwatawa stood and encouraged his warriors during the Battle of Tippecanoe.

Along this stretch of Indiana roadway resides a giant insect composed entirely of scrap metal.

The world's largest anatomically accurate brain sculpture.

More than 3,200 cookie jars line the walls and shelves of this little shop and over 1,000 salt and pepper shakers