dzibilchaltun, yucatan, mexico: structure 36, a tiered pyramid with a central stairway

america ancient archaeologist archaeology architecture attraction belief building central clouds construction corner cultural culture dzibilchaltun education effigy environment excavation exploration historic history landmark landscape learning main maya mayan mexico northeast old outdoor plaza precolumbian pyramid research ruins rustic scenic site sky stairs stairway stone structure sunny symbol temple tiered tourism tourist travel vacation worship yucatan