A small wall and marker are all that remain of this historic canal tunnel.

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

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

The longest navigable underground river in the United States is home to countless blind and albino animals.

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

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.

The chiseled jaw of this forgotten American hero still stands tall in a small Indiana town.

One tree's homage to soles past and present.

One-layer pyramid in Indiana.

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

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.

Lions and tigers and leopards, servals, pumas, bobcats, lynxes, and ocelots... oh my!

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

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

Covered in tens of thousands of coats of paint, this Indiana attraction holds a world record all its own.

This mysterious hill seems to pull objects uphill.

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

The body of one of the world's most famous outlaws is covered in cement and iron to prevent it from being stolen.