A 30-foot stack of piano keys memorializes one of the greatest keys players in jazz history.

The world's tallest doric column is this Ohio monument to a naval victory in the War of 1812.

The only depiction of Abraham Lincoln holding a weapon, and the names of all 9,000 Cuyahoga veterans of the Civil War.

An obsolete, vanishing traffic device warns Cincinnati drivers away from middle-of-the-road obstructions.

This historic Ohio bridge is adorned with fanciful locks left behind by loving couples.

One of the few places where you can explore a 1918 paddlewheel steamboat from stem to stern.

The former broadcast site has been reimagined as a museum about the medium.

Evidence from a brutal 1880s murder is on display at this former infirmary house.

This steamer is known as "The ship that built Cleveland."

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

Just outside the Ohio Supreme Court sits a testament to justice.

An elegant sandstone stairway built by the WPA still connects two neighborhoods in Akron.

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

All that remains of a gigantic earth-moving machine.

This park pays homage to the region's rich industrial history of brick making.

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

This massive airship factory is so large that it has its own indoor weather.

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

One of the largest collections of holy relics in the country.

Rows of 19th-century brick ovens used to process coal into coke form the center of a wooded park.

Known locally as "the giant head," this 14-foot LED sculpture has a photo booth in the neck where you can have a 3D picture taken and displayed.

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

This whimsical campus lawn is dotted with large sculpted numbers and hidden mathematical formulas.

This schoolhouse for Black American children is one of the oldest remaining in southeastern Ohio.