Rare recess caves fill this unbelievably beautiful Ohio park.

An office built to look like a giant basket.

All that remains of a gigantic earth-moving machine.

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.

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

Hundreds of 19th-century characters descend upon an Ohio town every autumn.