The Puye Cliffs were the dwelling place of the ancestors of the present day Santa Clara Pueblo people from around 900 to 1,500 AD. There are two main tours. One goes up the cliff-face past the cave dwellings. The second tour explores the mesa at the top of the cliffs where you'll see their ancestral pueblo. You can also take a combined tour. You must be accompanied by one of the Santa Clara guides. They're knowledgable about the history and customs of their people.