Small plaque marks the spot, but the true center is located about half a mile away on a private pig farm.

It's big, it's a ball, and it's made of twine—the world's largest of its kind.

Enjoy a tour of oddities and makeshift monsters at this souvenir store with an offbeat sense of humor.

This lesser-known geographic marker was the reference point for all surveys of the continent for 75 years.

This artsy public restroom is shaped like a giant john.

A unique attraction and museum dedicated to exploring iconic roadside structures.

Self-built house and sculpture park where the creator can still be seen in a glass coffin.

Kansas's Grassroots Art Capital welcomes visitors to Lucas through its very own World's Largest Thing.

Curious rock formations in a tiny Kansas state park.

After retiring, Gary Pendergrass turned his yard into a wonderland of outsider art.

The grandson of a Kiowa chief created what has become the iconic symbol of a city on the Plains.

A mysterious and terrifying public art goblin seemingly meant to inspire local legend.

Three historic trains run on a half-mile track that features a tunnel.

The ruins of a 19th century shelter run by the Independent Order of Odd Fellows.

A whimsical folk art garden full of punny pieces and a diorama containing 3,500 toys.

You have to love a museum with a truly dedicated focus. A focus on Superman, for example.

The famous Beatle secretly visited this Illinois town several times to visit his sister.