Steamy, jungle-like, amazing, fascinating, awe-inspiring, flabbergasting. The adjectives to describe this ancient monument to the Maya gods are limitless. You need to have strong legs and little fear of heights (or falling from them) if you intend to climb the main pyramid. Did you know you can also climb the inside of the main pyramid?
I would recommend taking a tour to this site as it is relatively remote and will take the majority of a day from Cancun. You'll want a reputable company to take you to a restaurant that can be trusted to safely fill your gringo belly if you're not accustomed to local fare.