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

On a wall in Cleveland, Ohio find the story of a highly connected fictional community of organisms that created remarkable, lasting structures.

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

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

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

This tower-tomb honors a president who only held office for a little over a month but dedicated his life to his country.

An abandoned munitions factory with a shot tower continues to wage war on the surrounding environment.

The world's first aircraft factory has been hiding inside an automobile plant for almost 80 years.

All that remains of a gigantic earth-moving machine.

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

The 25th President's marble casket can be visited in this classical Ohio tomb.

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

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

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

A single handprint, which, according to Ohio State University legend, cannot be scrubbed off.

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

This retired stagecoach tavern is the oldest building in Cleveland.

At the center of this cemetery stands a 2,000-year-old burial mound of the Adena culture.

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

Bison, America's national mammal, are staging a slow comeback in Ohio's prairie parkland.

In this relatively flat state the highest point is an honored place.

Now in disrepair, this 19th century station was a stop on of the famed B&O Railroad.

For decades, this waterfall remained hidden because of an artificial dam.

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