Morotai is home to a number of historic sites dating to World War II. Among them is the Air Kaca cavern, where General MacArthur is reputed to have bathed after coming ashore.
摩洛泰島至今仍留有許多珍貴的二戰遺址，像是 Air Kaca 洞穴即是當年麥克・阿瑟將軍駐紮島上洗澡之處，不少好奇的旅客特地來此尋訪。