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

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

Rare recess caves fill this unbelievably beautiful Ohio park.

It took more than 20 years and a sharp eye for one man to assemble this quirky collection.

An office built to look like a giant basket.

The only presidential monument to display a late POTUS's actual casket.

The home made famous by the 1983 holiday classic is now a perfectly preserved shrine to the movie.

Cleveland's giant "free" stamp is a nod to the Civil War, but was misinterpreted for years.

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

Take a drunken tour inside the world's largest known geode.

Deep scars on the earth left by the Ice Age.

Inside an airport, visitors can explore this museum where history takes flight.

Learn about the history and craftsmanship of carousels inside this museum located in a former post office.

This Ohio cemetery is home to the remains of many Confederate officers and soldiers who were once held nearby as prisoners of war.

This unusual three-way wooden foot bridge spans two rivers at once.

There is an art, a science, and certainly a responsibility to occupying the Big Red Chair, and this is where it's learned.

One of the largest crucifixes in the world stands 55 feet tall in a secluded, wooded area of northern Michigan.

This small, nautical gift shop is home to a 500-pound behemoth.

A comedy troupe's collection of bizarre humor.

Large one-man sculpture park in Michigan.

This 19th-century ghost town offers a stunning view of Lake Michigan and a journey through the region's industrial past.

This freshwater spring fills with 10,000 gallons of water per minute.

"The Most Boring Road in the State."

Two dozen rescued bears roam (mostly) free at the largest bear ranch in the U.S.