Elfreth's Alley, The Oldest Residential Street In The Country, National Historic Landmark, Philadelphia, Pennsylvania, USA Editorial Photo

Elfreth's Alley is a historic street in the Old City neighborhood of Philadelphia, Pennsylvania, dating to 1703. The street has 32 houses, built between 1703 and 1836. The Elfreth's Alley Museum is located at numbers 124 and 126.The alley, a National Historic Landmark, runs from North Front Street to North 2nd Street, paralleling Arch and Quarry Streets.