Avoid the crowds at teotihuacan and explore mexicos citys historic center during this sightseeing tour that starts in the early morning and makes it easy for you to see the citys major attractions in just one day first youll head to teotihuacan a unesco world heritage site just as it opens beating the majority of visitors from the city after exploring its ancient pyramids and plazas return to the city for a guided tour around the zocalo where youll see and learn about sights like met