Mercer Museum & Fonthill Castle in Doylestown, PA,stands as a remarkable piece of history and architectural intrigue. Built by Henry Chapman Mercer between 1908 and 1912, the castle is a testament to Mercer’s passion for medieval and gothic architecture. The structure is unique for its blend of eclectic styles, featuring a mix of medieval, Byzantine, and Moorish influences. With its towering, castle-like walls, and 44 uniquely designed rooms, Fonthill is an impressive sighThe castle is set on a 20-acre property and is surrounded by beautiful gardens, making it a perfect location for those who enjoy exploring both the inside and the grounds.