Rough Guide DIRECTIONS Cancun Cozumel is bursting with inspirational ideas for your trip to Mexico's Yucatan Peninsula. The balmy Caribbean destination offers a whole range of possibilities, whether you want to scuba dive, dance till dawn or practice yoga at the edge of the sea. There are detailed entries on the must-see attractions, from the wilds of the Sian Ka'an Biosphere Reserve to Chichen Itza, one of the New Seven Wonders of the World. Every...