The Persians divided their empire into 20 provinces that were managed by governors. In addition, they provided land to feudal lords in exchange for loyalty and guarantees of soldiers for the Persian army. Most of the people in the empire, including average Persians, simply remained struggling farmers or craftspeople.
I very important place would be places like the Aztec ruins, or Anasazi ruins because it has a lot of history, and many Native Americans call the Anasazi their decedents.