Castalia, Ohio, is home to The Blue Hole, which was a tourist attraction for almost a century. WKSU’s “OH Really?” finds out why it’s been off-limits to the public for the last 29 years. “We went out ...

The Castalia Hatchery is fueled by a Blue Hole, one of a series of deep springs in the Castalia area. The Blue Hole looks like a small, clear water pond, but it spits out about 2,500 gallons of ...

Castalia Fish Hatchery is one of six in Ohio; State produces 76,094 'catchable' Rainbow Trout a year; ... The most famous blue hole was a tourist attraction in the 1920s to until 1990, ...