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

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

Where beautiful signs live on forever.

This magnificent Cincinnati graveyard is also a popular public park.

An unusual, super-sized grocery adventure awaits in an Ohio suburb.

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

Historical structures and natural wonders await visitors to this preserve.

A 25,000-square-foot display with dozens of model trains in intricate miniature worlds.

A free park where visitors can learn about and collect 440 million-year-old fossils.

A castle built by an eccentric medieval enthusiast in suburban Ohio.

Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.

Hikers can still stroll beneath the long conveyer of this abandoned mining facility hidden in a West Virginia river gorge.