Prehistoric animals decorate this popular outdoor park.

A museum to a cave explorer whose tragic death was a media sensation, and whose corpse became a tourist attraction.

A hidden network of subterranean passageways lies tangled beneath Indianapolis' bustling City Market.

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

A burial site located in the middle of a road.

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

The overgrown remains of one of the premier auto-racing speedways in the Midwest—and also one of the most deadly.

At the turn of the century, a chair like rock sat at the top of the falls and hosted the winner of a local beauty contest.

This grave marks the final resting place of pioneer John Chapman, better known as Johnny Appleseed.

One man's goal to be surrounded by color resulted in this enchanting assortment of avian abodes.

Where hikers on the Tecumseh Trail can exchange a dirty sock for a free geode.

A wartime promise becomes a shrine to Our Lady of Lourdes.

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

This multisensory alley has the ability to remind bustling citygoers to stop and smell the roses.

Locals dubbed this abandoned abode the "gingerbread house" because of its odd architecture.

This former office building has been transformed into an immersive music venue and art space.

Ruined pieces of stone and a swimming pool are all that remain of an amusement park swept away by a flood.

Nature and art meet in this curvy creation

Tucked away in the forests of Indiana resides an abandoned waterslide that is now a popular graffiti haunt.

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

This ancient monument has been dissembled and put back together at least twice.

The ruinous former neo-classical mansion was built for Thomas Fraser of Strichen.

A glacial pothole was once a hideout for a notorious Scottish outlaw.

This tiny little cave was said to have been a refuge for a saint with a glowing arm.