Lonely Planet: The world's leading travel guide publisher Lonely Planet Cancun, Cozumel & the Yucatan is your passport to the most relevant, up-to-date advice on what to see and skip, and what hidden discoveries await you. Marvel at Chichen Itza's massive El Castilo pyramid, swim in a cenote, and party in a steamy Caribbean cantina in Merida; all with your trusted travel companion. Get to the heart of Cancun, Cozumel...