So here's a comparison between ingame screenshots and real places in real life
constantinople :
ingame :


Real life :

Samarkand:
In game :


Real life :

Hotan:
In Game :


Real Life (Taj Mahal) :

Downhang stone cave :
In Game :


Real life :

Jangan :
In game :


Real life :
Also :
http://en.wikipedia.org/wiki/Silk_Road
http://en.wikipedia.org/wiki/Terracotta_Army (Ch'in tomb)
http://en.wikipedia.org/wiki/Huang_he (the river between jangan and dw fields)
http://en.wikipedia.org/wiki/Chang_An
http://en.wikipedia.org/wiki/Dunhuang
http://en.wikipedia.org/wiki/Hotan
http://en.wikipedia.org/wiki/Samarkand
http://en.wikipedia.org/wiki/Constantinople
http://en.wikipedia.org/wiki/Tarim_basin
http://en.wikipedia.org/wiki/Karakoram
http://en.wikipedia.org/wiki/Takla_Makan
http://en.wikipedia.org/wiki/Cappadocia (penis forest. yes)
http://en.wikipedia.org/wiki/Mount_Ararat
http://en.wikipedia.org/wiki/Mount_Taishan (this seems to be rok mountain)
EDIT : http://en.wikipedia.org/wiki/Fenghuang (Roc)
EDIT : http://en.wikipedia.org/wiki/Cerberus (cerberus)
That's all i found :>
P.S: I was thinking there was legends about the unique monsters (pretty sure for cerberus) but the only thing i could find is about roc : it's actually a chinese fable about a litle and a huge bird. I found it in french though, not english :/















