Discover 67 Cool and Unusual Things to Do in Indiana

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

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

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

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

A medical facility that has been kept frozen in time.

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.

Display that gathers the basic elements of the universe in one convenient location.