High Quality Content by WIKIPEDIA articles! The Garden Museum, formerly known as the Museum of Garden History, is based in the deconsecrated parish church of St Mary-at-Lambeth adjacent to Lambeth Palace on the south bank of the River Thames in London, located on Lambeth Road. The church originally housed the 15th and 16th century tombs of many members of the Howard family, including now-lost memorial brasses to Thomas Howard, 2nd Duke of Norfolk (died 1524), his wife Agnes Tilney, Duchess of Norfolk (died 1545) and is also the burial place of Queen Anne Boleyn`s mother Elizabeth Boleyn, formerly Howard.