Mexico's Maya past still stands proudly at Chichén Itzá, and the domineering sight of El Castillo – the most famous Mesoamerican pyramid – and the stories that go with it will astound you. Your guide will show you the most important sites, before whisking you off to your next stop, an enchanting cenote in Hacienda Selva Maya: a breathtaking limestone cavern you can swim in, then it's onto the colonial city of Valladolid.