Discover gems like Spite House, the skinniest historic house in America at just 7 feet wide, and Pope-Leighey House, located 10 miles south of Old Town and the only Frank Lloyd Wright house open to the public in the D.C. region. Wander historic streets and discover more than 200 structures built before 1820. National Historic Landmarks abound, from Gadsby’s Tavern to Christ Church. Few other communities in America boast as many examples of Georgian and Federal period architecture. Keep reading for suggestions of places to see, neighborhoods to explore and architectural details to look for.