This tiny 19th-century tunnel was built so a man could move his cows from one field to another.

Walk the whole Mississippi River!

In the St. Francois Mountains in the Ozarks at 1,772 feet above sea level, Taum Sauk Mountain is the highest (and possibly oldest) peak in Missouri.

This Little Rock legend has survived decades of rowdy crowds, three fires, and a zombie wedding.

The Man In Black grew up in a large agrarian community established by the federal government in the Great Depression.

The scant remains of an expansive indigenous civilization can be seen at this Arkansas state park.

Twenty-year effort to raise a castle using tools and techniques from the 13th century is now abandoned in the Arkansas woods.

This historic bridge has weathered fires and floods and still stands, now abandoned, where it has stood since 1874.

Together they left this world, and together they shall remain for all eternity.

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

The park that the Chicago Stockyards built.

The only building in Louisville (hopefully) that contains two ancient holy skeletons.

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

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

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

The largest historic preservation organization in the United States.

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

The multinational Burger King chain is banned from operating within 20 miles of a family restaurant filed under the same name.

The 40-year-old machine serves soda quicker than you can catch it for a mere 75 cents a pop.

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

The legacy of an unsolved, gruesome murder rests beneath the spans of this historic bridge.

One-layer pyramid in Indiana.

The only freestanding table rock formation east of the Mississippi.

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