Fonthill Castle is Henry Mercer’s concrete castle house with 44 rooms, 18 fireplaces and over 200 windows of varying size and shape. The interior walls, floors and ceilings are elaborately adorned with Mercer’s handcrafted tiles. Tiles and prints from around the world also show the collecting interests of this Bucks County native. The majority of Mercer’s furnishings and personal effects remain where he placed them, and guided tours explore the various aspects of his remarkably creative life. A tour of Fonthill truly offers a window into Henry Mercer’s unique architectural and artistic vision.