Two flush headstones mark the only known graves to be embedded in an airport runway.

A bronze plaque marks the site of the only show the "King of the Soul Singers" ever missed.

This forgotten beach house built to look like a Frank Lloyd Wright masterpiece overlooks a hidden beach.

Hidden away in the city of Madison, Wisconsin is a nearly forgotten home that Frank Lloyd Wright built for a childhood friend.

This pebble beach is so beautiful that taking its rocks is against the law.

"World's largest scrap metal sculpture" stands in an outdoor sculpture garden in the middle of Wisconsin.

Low-frequency noise compared to an idling train can only be heard by some of this industrial town's residents.

Along this stretch of Indiana roadway resides a giant insect composed entirely of scrap metal.

The large rock formation where the Shawnee prophet Tenskwatawa stood and encouraged his warriors during the Battle of Tippecanoe.

An unknown number of cholera victims are buried in two nondescript graves.

Walk in the footsteps of the famed astronaut at Purdue University.

Purdue students would lean over this iron fence to skirt campus rules against smoking and courting.

Tombstones carved to look like tree trunks are used for multiple generations of family members.

The final resting place of the hero of Air Florida Flight 90 known as "the man in the water."

A unique outdoor timepiece at a "clothing-optional" resort.

What appears to be a wizard's lair in Milwaukee actually houses a massive water pipe.

An off-the-beaten-path place to literally hang beneath Milwaukee's Holton Street Bridge.

A memorial for an outsider theorist who believed that the planet is actually hollow.

A museum that houses the world's largest collection of ventriloquism dummies.

Rabbit Hash is a heaping slice of Americana from another era, with a very peculiar origin behind its unusual name.

A small wall and marker are all that remain of this historic canal tunnel.

Visitors to this Kentucky homestead turned museum are immediately transported back to the Antebellum south.

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

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