Sian Ka'an is a breath of fresh air. Literally and figuratively. The UNESCO World Heritage Site located in the southern part of Mexico's Yucatan Peninsula is a nature lover's paradise, an ecological wonderland of lagoons, wetlands, mangroves, jungles and white-sand beaches. It's also home to a wide variety of plant and animal life, including howler monkeys, crocodiles, ospreys and jaguars. Visitors can explore the area on foot, by bike or kayak, or take a guided tour to learn about the area's flora and fauna. With its easy access, natural beauty and rich history, Sian Ka'an is a must-see for anyone visiting the Yucatan Peninsula.