Rare recess caves fill this unbelievably beautiful Ohio park.

A tribute to one of the most famous cowboys on TV, and the consumerism that fueled his popularity.

One of the last few period-correct, hand-operated canal locks in the country.

A circle of giant painted vases in the former pottery capital of the United States.

A favorite of Amelia Earhart, ranking among those rare bridges that can be crossed without changing sides of the river.

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

The entrance to this sinisterly named tunnel hides behind a Tim Hortons.

The inventor of a number of hybrid corn species is immortalized with a field of giant corn.

A monument to a Native American leader who was known for never breaking a promise and met his end after signing a deal with white settlers.

A gas station has taken the place of the home of the 19th American President.

Featuring one of the most complete and original collections of Presidential memorabilia, this is the site of the last front porch presidential campaigns.

This moving cemetery sphere is a slowly rolling stone.