This rock formation above the Wabash River is part of an ancient coral reef.

A set of tall pillars and alcove-like rooms that are significant to the Miami people of Indiana.

More than 100 years after his death, the world's largest steer is still attracting crowds.

Train cars and railroad artifacts abound at this restaurant devoted to railway history.

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

The first spinning jail built in the United States is the only one that still turns.

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

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

The building is topped by a Statue of Liberty statue whose torch has stayed burning since the museum opened.

This stately clubhouse has showcased German-American culture for over a century.

This midcentury chapel is a bold architectural statement and a symbol of Indiana's Lutheran heritage.

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

Historians and hobbyists head to this former French outpost for the annual Feast of the Hunters' Moon.

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

The humble Hoosier roots of a famed Broadway composer.

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

A collection of relics from the Spiritualist Camp Chesterfield.

This shop is named for a runaway elephant who smashed through its doors, stole some peanuts, and spent five days on the lam.

This former Indiana quarry has been transformed into a park and SCUBA site where divers can explore the drowned mining equipment.

A giant concrete egg marks this Indiana town as the "Egg Basket of the Midwest."

For over 100 years, this Indiana town has had a tree growing out the top of the local courthouse.

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

A chilling disappearance (and rescue) of a child uncovers a geological mystery.

One-layer pyramid in Indiana.