Elfreth's Alley, oldest continuously inhabited residential street

Elfreth's Alley in Philadelphia's Old City is commonly described and promoted as the oldest continuously inhabited residential street in the United States, with houses dating from the early 18th century. The Alley is designated a National Historic Landmark and is preserved as a block of historic 18th- and 19th-century homes, attracting tours and annual public events such as holiday house openings. Its small row of houses exemplifies early urban merchant and craftsman dwellings in colonial Philadelphia.