Château Laroche, also known as the Loveland Castle, is a museum on the banks of the Little Miami River north of Loveland, Ohio, United States. A folly of a historical European castle, construction began in the 1920s by Boy Scout troop leader, World War I veteran, and medievalist Harry D. Andrews.He built the castle on promotional plots of land that were obtained by paying for one-year subscriptions to The Cincinnati Enquirer.Andrews named his castle after a military hospital in the Chateau La Roche in southwest France where he was stationed during the First World War.Its name means "Rock Castle" in French.