El Caracol, Mayan observatory, where windwos align with certain stars, Chichen-Itza, UNESCO World Heritage Site, Yucatan, Mexico, North America

americas ancient ancient civilisation ancient civilization archaeological site archaeological sites archaeology archeological site archeology astronomy caracol central america chichen itza chichen itza civilisation civilization day daytime el caracol mayan mexican mexico national famous place nobody observatory outdoors outside past history photography religion travel travel destinations vertical world heritage site yucatan religious spiritualism spirituality