View of Agricultural Terraces at Moray, Peru
By McKay Savage from London, UK [CC-BY-2.0 (http://creativecommons.org/licenses/by/2.0)], via Wikimedia Commons
View of Temple I and the Central Acropolis, Tikal, Guatemala
Credit: Dennis Jarvis from Halifax, Canada (Guatemala-1619) [CC-BY-SA-2.0 (http://creativecommons.org/licenses/by-sa/2.0)], via Wikimedia Commons