Rhodes is the largest Greek island in the Dodecanese islands. The Medieval Old Town of Rhodes was declared a UNESCO World Heritage Site and is a popular tourist destination. It has Gothic architecture from when the Knights of St. John occupied the island from 1309 to 1523. Lindos has an acropolis dedicated to Athena above the modern town with fortifications from Greeks, Romans, Byzantines, Knights of St. John, and Ottomans. Kamiros was an ancient Doric city with an acropolis and temples, reservoirs, and residences built on three levels. The Valley of Butterflies has thousands of butterflies reproducing each August. Famous beaches include Tsampika,