Complex sentence: Activities at the most visited locations include Jet Skiing, snorkeling, scuba diving, swimming in cenotes, swimming with dolphins, zip-lining, horse riding, guided jungle tours, and archeology, including the popular Xcaret and Xel-Ha sites.
Split into simpler sentences: Activities at the most visited locations include Jet Skiing, snorkeling, scuba diving, swimming in cenotes, swimming with dolphins, zip-lining, horse riding, and guided jungle tours. Archeology is also a big tourist draw in the area, including the popular Xcaret and Xel-Ha sites.