Island where motor vehicles are banned -- home to the only carless highway in the United States.

After a water tower painting was accused of being an ad, a simple fix was made that gave the city a motto.

This grave marks the final resting place of a legendary frontiersman... unless it doesn't.

Moonbows over Kentucky.

The world's longest known cave system.

This former tuberculosis research hospital endeavored to cure the dreaded disease with fresh air and positive attitudes.

Elvis's own personal tropical hideaway.

A recreation of the doomed ocean liner in the middle of the Smoky Mountains.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

You can walk through the first Boeing Air Force One, which famously carried JFK's casket from Dallas back to D.C.

A real flying saucer, contracted by the U.S. Air Force.

More than 3,200 cookie jars line the walls and shelves of this little shop and over 1,000 salt and pepper shakers

A giant lumpy candle serves as a beacon for this highly scented pit stop.

This Indiana walk of fame honors music legends with record-shaped plaques in the pavement.

The highest point in Indiana is curated by an Eagle scout but may be in danger of losing its record to a nearby garbage pile.

This unassuming home was once “grand central station” for the Underground Railroad.

Locals dubbed this abandoned abode the "gingerbread house" because of its odd architecture.