Viator Exclusive: Early Access to Tulum Ruins with an Archeologist. Discover the ancient Mayan ruins of Tulum with an archaeologist on this full-day tour and enter the site early, before the crowds. Explore the ruins, set upon a cliff overlooking the Caribbean Sea, on this Viator Exclusive available nowhere else. Visit parts of the Tulum ruins that other tours don't get access to and stop at the nearby beach for an opportunity to swim. Pickup and drop-off at Riviera Maya and Cancun hotels is included. Viator Exclusive: Early Access to Tulum Ruins with an Archeologist From $45.99