Fresh wooden posts have been added to ancient holes to recreate a primitive henge clock.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

One-layer pyramid in Indiana.

The only freestanding table rock formation east of the Mississippi.

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

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

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

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

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

The largest historic preservation organization in the United States.

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