Marvin's Organic Gardens project, the gardens around Loveland Castle. The castle was a labor of love, we made the gardens of love as well. Loveland Castle, as per wikipedia: Château Laroche, also known as the Loveland Castle, is a museum on the banks of the Little Miami River in Loveland, Ohio, United States. A folly of an historical European castle, construction began in 1929 by Boy Scout troop leader, World War I veteran, and medievalist Harry D. Andrews.