Most of the major Maya sites (e.g. Palenque, chich'en itza) have fairly well supported astronomical alignments, usually with the sun around equinoxes and solsti

Most of the major Maya sites (e.g. Palenque, chich'en itza) have fairly well supported astronomical alignments, usually with the sun around equinoxes and solstices. It's usually at the level of individual buildings though, as the roads are rarely very straight except near the major ceremonial complexes.