Cancun, Mexico is a popular tourist destination where visitors can enjoy many outdoor adventure activities like zip lining through the jungle, swimming with dolphins, and snorkeling or scuba diving. Some top attractions in the area include Chichen Itza, an important archaeological site built by the Maya civilization, Xcaret Park with its lakes, rivers, beaches, and opportunities to see plants and animals, and Xel Ha Park where visitors can swim with dolphins or go scuba diving. Planning is important when visiting Cancun - travelers should make hotel and flight reservations, get travel documents in order, and pack appropriate clothing and supplies for the tropical climate and activities.