Hanging Gardens of Babylon, by Mario Larrinaga

"The approach to the Garden sloped like a hillside and the several parts of the structure rose from one another tier on tier... On all this, the earth had been piled... and was thickly planted with trees of every kind that, by their great size and other charm, gave pleasure to the beholder... The water machines [raised] the water in great abundance from the river, although no one outside could see it." Diodorus Siculus

For a documentary on the Hanging Gardens:

http://www.cosmolearning.com/documentaries/hanging-gardens-of-babylon-460/