The Lafayette Elm was a tree which was planted to commemorate General Lafayette's 1825 visit to Kennebunk. It became famous for its age, size, and survival of the Dutch elm disease that destroyed the hundreds of the other elms that once lined Kennebunk's streets. The elm is featured on the town seal. The restored Kesslen Shoe Mill has been renamed the Lafayette Center. Kennebunk is home to two of the state's oldest banks—Ocean Bank (1854) and Kennebunk Savings Bank (1871). Only Saco & Biddeford Savings Institution (1827) and Bangor Savings Bank (1852) are older. Summer Street was Maine's first Historic District that was listed on the National Register of Historic Places.