The island has been inhabited for 5,000 years and ruins including temples, sanctuaries and castles can be found all over Paros.  The most notable include a cemetery that has been there for 2,700 years, sanctuaries of Apollo and Asciepius, the healing god, from the 4th century BC and an amazing triple church complex called the Panagia Ekatontapiliani that dates back to the 4th century.