Restored retreat where Lincoln drafted the Emancipation Proclamation, site deemed a national monument by Bill Clinton in 2000. Tour guides with interactive tablet technology leading hour-long tours. Education center with ongoing free exhibits. Entry by guided tour only (tickets purchased online recommended). Tours: M-Sa 10 am-3 pm, Su 11 am-3 pm. Visitor Center: M-Sa 9:30 am-4:30 pm; Su 10:30 am-4:30 pm. $5-$15.