Elfreth's Alley, the oldest continuously inhabited residential street in the United States, offers a charming glimpse into Philadelphia’s colonial past. This picturesque alley, lined with 32 historic houses dating back to the early 18th century, invites visitors to stroll through history. Each cobblestone step echoes the lives of artisans and tradespeople who once lived here.

Best time/season to visit: Spring and autumn are ideal for visiting Elfreth’s Alley. The mild weather makes it perfect for a leisurely walk, and the seasonal decorations add to its quaint charm. Try to visit during one of the Alley’s open house events for a peek inside the historic homes.