The world's largest talking cow would like to tell you about the benefits of 100% Wisconsin dairy products, if only she still could.

America's silhouette includes 100 square miles of wilderness jutting into Canada thanks to an old mapmaking error.

The site of Neil Armstrong's first flight is marked by a full on replica of the moon landers.

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

These sub-farmland caves are home to a majestic stalactite known as the "Crystal King."

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.

This magnificent Cincinnati graveyard is also a popular public park.

An art deco ice cream shop covered in vintage train station tiles.

An abandoned relic of the city's failed experiment with below ground transit.

Mussolini gave Cincinnati a bronze statue of Romulus and Remus suckling at a wolf's teats.

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

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

The largest earthwork effigy in the world.

An abandoned asylum incorporated into a college campus.

You thought Santa Claus didn't exist, but it turns out you were wrong.

Part of a worldwide art project, this mysterious semicircle of concrete shapes holds the pieces of a larger story.

This open air cathedral invites all faiths to worship under the only roof big enough to fit them all: the sky.

Symbolic attempt to overcome the issues of life.

The home used in just a few seconds of film that came to define the setting of a hit sitcom.