One of America's finest examples of German colonial architecture. The 1758 stone house is one of the earliest known homes in Frederick and has several unique architecture features. The house and Heritage Garden are known for its living history events. The house is open for tours Sat & Sun 1-4pm through Dec 9. Tours are available by appointment after Dec 9, please call 301-668-6088 for more information. Tour the Heritage Garden weekdays and weekends.