Ik Kil, Cenote, Mexico
<a href=”http://www.cheapflights.com” target=”_hplink”>Cheapflights.com</a> takes the first plunge in Mexico. Originally known as a cavernous sinkhole for Mayan human sacrifice to a rain god, Ik Kil in Cenote, <a href=”http://www.cheapflights.com/flights-to-mexico/” target=”_hplink”>Mexico</a>, is recognized today as a must-do experience for visitors to the Yucatan Peninsula. The 130-foot-deep all-natural pit (formed by a cave collapsing), is a popular stopover for those traveling to the ancient Mayan city Chichen Itza. Travelers say it can get a bit crowded, so make it an early stop for the most serene dip.