Wednesday marks the autumnal equinox, and though Google is celebrating the changing of the seasons with a cool doodle, the rest of us will probably just complain that summer is over.

But there is much to be thankful for with the arrival of the autumnal equinox — there’s pumpkin spice coffee, corn mazes, pumpkin patches, comfy sweaters, Halloween, and fall leaves. But at an ancient Mayan pyramid, celebrating the new season takes on a far more mystical tone.