The spectacular Castle of St. Peter constructed in the 15th century A.D. by the Knights of Rhodes (now housing the famous Museum of Underwater Archaeology); remains of the Carian Mausoleum of Halicarnassus, remembered as one of Pliny's seven wonders of the world; antique theater; excursion to Gümüslük (Myndos) at the tip of the Bodrum Peninsula - a splendidly situated ancient harbor (L).