Presenting the Thornewood Carriage House. Placed on the National Register of Historic Places & designated as a National Landmark, this truly is a one of a kind property! Experience this masterfully restored 6,489sf 4 bed/ 6 bath home that served the original Thornewood Castle. Situated just feet from American Lake, its constructed of solid masonry walls, thick concrete & rebar, superior structural value & built to last multiple lifetimes. On the interior, you'll find an exquisite collection of antique glass & light fixtures, a chefs kitchen, highest of quality woodwork & marble throughout. No shortage of details! Meticulously groomed grounds on a shy acre. Plus a guesthouse over the detached garage! A rare chance to own a national treasure!