Visit two of the most important Maya archaeological sites on this full-day tour: Coba and Tulum. Admire the backdrop of the Caribbean Sea while exploring the temples and pyramids of Tulum with a certified guide, then head to Coba to climb to the top of  Nohoch Muul — the tallest pyramid on the Yucatán Peninsula. In the afternoon, take a swim in a 'cenote' (underground gave), sit down for a traditional Mexican lunch.