1) Aztec site 
Texcotzingo (alternatively, Tetzcotzingo) is contested as one of the first extant botanical gardens in the world, along with Montezuma`s gardens in Huastepec. The gardens and archaeological site are located roughly 20 miles northeast of central Mexico City, Mexico. Texcotzingo is adjacent to the Axtec capital city of Texcoco and acted as the summ....