This whimsical park encourages its visitors and wildlife to roam on and around the various works of art.

This bridge was constructed from the remains of the first Ferris wheel.

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

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

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

The lynching and burial site of America's first train robbers.

One tree's homage to soles past and present.

The world's largest anatomically accurate brain sculpture.

A rural hall of justice holds the world's only comic book and superhero museum.

The only freestanding table rock formation east of the Mississippi.

Modeled after the labyrinth in Chartres Cathedral, this small-town Indiana memorial labyrinth sits half a world away.

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

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

A 30-year-old Sycamore tree grown from a seed taken to the moon and back.

This mysterious hill seems to pull objects uphill.

Symbolic attempt to overcome the issues of life.

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

A ship that lived many lives under many names is now known merely as the "Ghost Ship."

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

Nature and art meet in this curvy creation

If astronomy had a ghost, it would look like this observatory.