The largest ancient burial mound in Ohio.

A castle built by an eccentric medieval enthusiast in rural Ohio.

What is it about mushrooms that makes people wish they lived inside of them?

This humble star-gazing center touts itself as the "Birthplace of American Astronomy."

A ship that lived many lives under many names is now known merely as the "Ghost Ship."

A 70,000-square-foot institution dedicated to a very literal, creationist perspective on the Book of Genesis.

One of the few surviving "Wigwam"-themed motels.

Moonbows over Kentucky.

The history of whiskey and all of its boozy glory, from Colonial days to modern American cocktail culture.

A theme park featuring a replica of Noah's Ark built to the measurements specified in the Bible.

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

Modeled after the labyrinth in Chartres Cathedral, this small-town Indiana memorial labyrinth sits half a world away.

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

A large collection of motorbikes with some impressive gems.

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

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

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

The evolution of recreational vehicles and motorhomes is on display in the “RV capital of the world."

One-layer pyramid in Indiana.

One man's vision and a labor of love of many.

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

Ornate limestone building now filled with geologic specimens, and more.

This mysterious hill seems to pull objects uphill.

A medical facility that has been kept frozen in time.