The world's third-largest scale model of the planets.

The remains of a enormous earthen figure of unknown origins cuts across a rural Wisconsin road.

Over thousands of years, this slot canyon was carved out of the bed of an ancient lake.

A labor of love built by local hang-gliding enthusiasts, this ideal launch spot was outlawed by the authorities and has since been largely abandoned.

The longest-covered bridge in the state of Maryland.

This historic lighthouse was well known for the large number of women who served as its keeper.

This former factory has deep ties to rubber production in Akron.

The largest burial mound in the United States holds the remains of prehistoric West Virginians.

A retro walk through the history of the tube.

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

A remnant of the last Ice Age, this lake is surrounded by fascinating rock formations.

A well-preserved relic of the industrial age steel and iron works that dotted West Virginia.

The actor best known for slapstick comedy is memorialized in his home town.

Two Indiana icons are honored at this tiny museum, which features the world's largest collection of James Dean memorabilia.

Covered in tens of thousands of coats of paint, this Indiana attraction holds a world record all its own.

The bespectacled, cocktail-sipping pachyderm is a strange but fitting liquor store mascot.

A 30-year-old Sycamore tree grown from a seed taken to the moon and back.

At the top of the hour, this steam-powered clock's eight brass whistles play "Back Home Again in Indiana."

Inspired by a piece of concrete, these three pyramid-shaped buildings have been beloved Indianapolis landmarks for over 50 years.

This mysterious hill seems to pull objects uphill.

The world’s largest truck stop includes a barber shop, chiropractor, and a huge museum with antique trucks.

The Iowa state contender for largest pan in the world oddly only comes in second or so.

This remote island in Iowa was abandoned after being devastated by flood.

The oldest brick house in the state of Ohio.