The colorful brownstones of W 131st Street. Looking for a great local activity that only requires a pair of comfortable shoes and an appreciation for stunning architecture? Pick a nice day and take a stroll through the most beautiful streets in Harlem and beyond. Start with these ten, all of which are part of larger historic districts brimming with a rich past and exquisite old buildings, including the recently-designated Dorrance Brooks Square Historic District. From south t