Bodrum Castle, also known as the Castle of St. Peter, is a historic fortress located in Bodrum, Turkey. Built by the Knights of St. John in the 15th century, this castle has four towers named after different European nations. It served as a stronghold against Ottoman attacks and was later converted into a museum showcasing underwater archaeological discoveries. With its rich history and stunning architecture, Bodrum Castle is a must-visit destination for history buffs and travelers exploring the Turkish coast.