Yes, it is very safe to visit Xinjiang now. The Uyghur people are some of the most friendly you’ll ever meet. Most visitors feel it is totally safe in the main tourist areas, though there may be an elevated police presence.
1) Feel the artistic conception of Tang Dynasty poet at Shapotou
2) Discover the civilization of the primitive society from rock paintings with a history of over 3000 years
3) Have fun of several activities at Sand Lake sites: sand sliding, cruise, etc.
4) Visit the first mountain of Taoism - Kongtong mountain
5) Explore one of China's four major grottoes - Maijishan Grottoes dug on the cliffs