Marvel at this turn-of-the-century masterpiece that has been turned into a rather stately supermarket.

Funded by John D. Rockefeller, this is one of the earliest, and most beautiful, shopping arcades in America.

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

Abandoned since the 1950s, the streetcar lane beneath the heavily trafficked bridge lays empty and unused.

Rare recess caves fill this unbelievably beautiful Ohio park.

Moonbows over Kentucky.

A small wall and marker are all that remain of this historic canal tunnel.

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

After a water tower painting was accused of being an ad, a simple fix was made that gave the city a motto.

Northern Kentucky’s very own Notre Dame showcases intricate stained glass and the bones of saints.

A former nuclear facility during the Cold War turned nature preserve.

The largest ancient burial mound in Ohio.

Inside houses a vast collection of military aircraft and missiles spanning the ages.

You can walk through the first Boeing Air Force One, which famously carried JFK's casket from Dallas back to D.C.

A real flying saucer, contracted by the U.S. Air Force.

The mounds at this site were reconstructed with the help of archaeologists and historians.

The largest earthwork effigy in the world.

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

This humble star-gazing center touts itself as the "Birthplace of American Astronomy."

Mussolini gave Cincinnati a bronze statue of Romulus and Remus suckling at a wolf's teats.

One of the few beardless depictions of Lincoln, George Grey Barnard's 1917 statue was denounced by many—including Lincoln's own son.

An art deco ice cream shop covered in vintage tiles.

An unassuming 13-acre park is home to over 12,000 roses.

The rusting hulk of a 250-foot-long merchant vessel remains where she grounded on the shore of Hudson Bay.