This outdoor exhibit features a historic wooden dam once used to help boats navigate the Ohio River.

How did a massive marine arthropod find its way to landlocked Ohio?

After covering almost 1.5 billion acres, the survey's still not finished.

The nearly 200-year-old building displays a perplexing grammatical error.

"You can only scalp a customer once, but you can give him a haircut every two weeks"-Barber's Maxim.

The failure of one component toppled this entire bridge during rush hour.

The oldest remaining authentic Putt-Putt course that Donald Clayton created in Ohio.

The site of the worst mining disaster in Ohio's history.

This bridge uses an inverted bowstring truss and is believed to be the only of its kind in the United States.

This restaurant proudly displays bread signed by the 39th president.

All that remains of a gigantic earth-moving machine.

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

But did the famous feminist and abolitionist ever really say those iconic four words?

This recycled wax museum may be the only one that features John Travolta in a Bible scene.

This retired stagecoach tavern is the oldest building in Cleveland.

This moving cemetery sphere is a slowly rolling stone.

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

Superfans of The Shawshank Redemption can take a driving tour of most of the films real locations.

The heroic sled dog of the 1925 serum run is preserved in taxidermy.

This collection of Japanese luck idols beckons visitors with over 2,000 waving paws.

An unoccupied lighthouse encased in layers of ice from the waters of Lake Erie.

The oldest surviving wood-frame building in North America is still in the family.

The ruins of one of the first railroads in the U.S. lie hidden within a neighborhood cul-de-sac.

The thousands of shades on display — some toxic, others impossibly rare — are a library of more than just color.