A humble homemade ride attracts visitors from around the globe to this small Midwestern town.

One-layer pyramid in Indiana.

This open air cathedral invites all faiths to worship under the only roof big enough to fit them all: the sky.

The only freestanding table rock formation east of the Mississippi.

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

This candy shop has been serving up sweets to the Louisville area since the 1850s.

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

Once adorning a New York skyscraper, these reclaimed ruins now haunt an Indiana park.

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

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

Symbolic attempt to overcome the issues of life.

The site of a 19th century "dream city" that almost rivaled Chicago before being swallowed by the Indiana sand dunes.

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

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

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

This mysterious hill seems to pull objects uphill.