A gregarious Ohio resident has been building his whimsical temple to peace for decades.

The headquarters of a pioneering cast iron and cast aluminum cookware company is in ruins, but still standing.

A county library in rural Ohio houses one of the finest mineral collections in the world.

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

A small town museum celebrates the history of the Ohio county that produced Annie Oakley and other famous figures.

The final resting place of the most famous sharpshooter.

The final resting place of the world's first nuclear reactor.

One of Frank Lloyd Wright's final works was this UFO church.

A miniature world of concrete and stone in Springfield, Ohio.

Inside this wonderland of weird, visitors are treated to a collection ranging from skeletons to haunted artifacts.

The largest earthwork effigy in the world.

A slab of sandstone covered with mysterious 1,000-year-old rock carvings from a vanished North American culture.

Rare recess caves fill this unbelievably beautiful Ohio park.

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

Mausoleums, astronomy, and animatronic dinosaurs at this memorial to an assassinated American president.

Once adorning a New York skyscraper, these reclaimed ruins now haunt an Indiana park.

A medical facility that has been kept frozen in time.

"Looks so real, it's scary!"

One Austrian's singular yard is now preserved as a folk art garden of concrete wonders.

The only place in America where anyone who wants can shovel coal aboard an antique train.

A mini Wrigley Field for mini baseball players.

Every winter, the wind carves blocks of frozen water into beautiful abstract shapes inside this unusually curved tunnel.

A former barn converted into a massive train diorama.

The remains of a enormous earthen figure of unknown origins cuts across a rural Wisconsin road.