Mexico's calling card to the world, Cancún perfectly showcases both the country's breathtaking natural beauty and the depth of its 1,000-year history. Simply stated, Cancún is the reason most people travel to Mexico. The sheer number of travelers underscores Cancún's magnetic appeal, with almost three million people visiting this enticing beach resort annually most of them on their first trip to the country. The reasons for this are both numerous and obvious.