Center filled with hands-on displays served as a tribute to several astronauts with connections to the state.

Featuring one of the most complete and original collections of Presidential memorabilia, this is the site of the last front porch presidential campaigns.

This presidential tomb was not dedicated until years after Harding's death due to personal controversy.

Bison, America's national mammal, are staging a slow comeback in Ohio's prairie parkland.

A chilling disappearance (and rescue) of a child uncovers a geological mystery.

The first artificial white water river course in North America cuts right through an Indiana city.

This pair of eccentric Ohio castles were built by a pair of brothers who wanted to bring a bit of class to the Ohio wilderness.

A singular collection of hand-built art deco cars are held in a building with style to match.

The largest earthwork effigy in the world.

This midcentury chapel is a bold architectural statement and a symbol of Indiana's Lutheran heritage.

This modern castle sat empty for decades before a fire inspired its builders to complete its luxury halls.

After a water tower painting was accused of being an ad, a simple fix was made that gave the city a motto.

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.

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

Known as the "Cross At The Crossroads," this massive metal cross is just short enough to avoid the FAA.

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

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

For over 100 years, this Indiana town has had a tree growing out the top of the local courthouse.

A flamboyantly decorated bridge signals diversity and fellowship at the entry to Indianapolis' Broad Ripple Village.

The only freestanding table rock formation east of the Mississippi.

This mysterious hill seems to pull objects uphill.

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

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

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