Blue Hole (Castalia)
The Blue Hole is a fresh water pond located in Castalia, Erie County, Ohio, in the United States. From the 1920s to 1990 the Blue Hole was a tourist site, attracting 165,000 visitors annually at the height of its popularity, partly because of its location on State Route 269, about southwest of the Cedar Point amusement park in Sandusky, Ohio.
Blue Hills, Kansas City
Blue Hills is a neighborhood in Southeast Kansas City, Missouri bounded North by Swope Parkway, South by 63rd Street, East by Prospect Ave, and West by The Paseo.