Monuments on the Capitol grounds include statues of two of the three Tennessee residents who served as President of the United States: Andrew Jackson and Andrew Johnson. The second President from Tennessee, James K. Polk, is buried in a tomb on the grounds, together with his wife, Sarah Childress Polk. Other monuments on the grounds include the Sgt. Alvin C. York Memorial, the Tennessee Holocaust Commission Memorial, the Sam Davis Memorial at the southwest corner of the Capitol grounds, the Sen. Edward Ward Carmack Memorial located above the Motlow Tunnel near the south entrance, and the Memorial to Africans during the Middle Passage at the southwest corner of Capitol grounds. The Charles Warterfield Reliquary is a group of broken limestone columns and fragments removed and saved from the State Capitol during the mid-1950s restoration, located near the northern belvedere on Capitol Drive.