NY 21 turns north onto South Main Street, following NY 332 through the city's historic downtown district.
National Register of Historic Places | Südoststeiermark District | National Trust for Places of Historic Interest or Natural Beauty | district | Eichsfeld (district) | Darjeeling district | Hartberg (district) | Bad Kreuznach (district) | Lake District | school district | Hildesheim (district) | District of Columbia | United States District Court for the Southern District of New York | historic district | National Historic Landmark | Reutte (district) | Peak District | Leibnitz (district) | Perg (district) | electoral district | District | central business district | Neuwied (district) | Murau (district) | Bludenz (district) | Chittoor District | Zwettl (district) | electoral district (Canada) | United States Court of Appeals for the District of Columbia Circuit | South Carolina's 3rd congressional district |