Recommended 20-day travel itinerary in Xinjiang is as follows:**
From Day 1 to Day 3:
Day 1: Depart from Urumqi, visit Tianchi Lake in the Tianshan Mountains, and stay overnight in Fukang
or Fuyun
Day 2: Depart from Fuyun, visit Koktokay, Koksuli, the No. 3 Mine Pit, and Colorful Beach, and stay overnight in Burqin
Day 3: Depart from Burqin, head to Hemu Village to experience the primitive scenery, and stay overnight in Hemu
From Day 4 to Day 6:
Day 4: Depart from Hemu, visit Kanas, and stay overnight in Kanas
Day 5: Depart from Kanas, continue to visit Kanas Scenic Area, such as the Fish Viewing Pavilion, then head to the World Ghost City, and stay overnight in Urho or Jinghe
Day 6: Depart from Urho or Jinghe, visit Sayram Lake, stay overnight in Yining, and pass by the Guozigou Bridge on the way
From Day 7 to Day 10:
Day 7: Depart from Yining, visit the Xiata Ancient Road or Nalati Grassland, and stay overnight in Zhaosu or Nalati
Day 8: Continue to visit Kalajun and Qiaxi scenic spots, and stay overnight in Gongliu or Tekes
Day 9: Head to Bayinbrook, visit the Hundred-Mile Gallery of the northern section of the Duku Highway on the way, and stay overnight in Bayinbrook
Day 10: Depart from Bayinbrook, visit the Mysterious Tianshan Grand Canyon, and stay overnight in Kuqa
From Day 11 to Day 14:
Day 11: Depart from Kuqa, visit Kizil Grottoes and Wensu Grand Canyon, and stay overnight in Aksu
Day 12: Depart from Aksu, head to Kashgar, visit Kashgar Old City and Id Kah Mosque, etc., on the way, and stay overnight in Kashgar
Day 13: One-day tour in Kashgar City, visit the Xiangfei Tomb and Gaotai Residential Area, etc.
Day 14: Depart from Kashgar, head to Tajik Autonomous County, visit Baisha Lake and Karakul Lake, etc., and stay overnight in Tajik Autonomous County
From Day 15 to Day 20:
Day 15: Depart from Tajik Autonomous County, visit the盘龙古道 (Dragon’s Spine Highway) and Stone City, then return to Kashgar and stay overnight
Day 16: Depart from Kashgar, head to Hotan, visit Hotan Old Town and Yulongkashi River, etc., and stay overnight in Hotan
Day 17: Depart from Hotan, cross the Desert Highway, experience the magnificent Taklamakan Desert, and stay overnight in Alar
Day 18: Depart from Alar, visit the Huyang Forest in Luntai and Tiemen Pass, and stay overnight in Korla
Day 19: Depart from Korla, visit the Lop Nur Village and Bosten Lake, and stay overnight in Bohu County
Day 20: Depart from Bohu County, visit the Salt Lake and Daban City, then return to Urumqi to end the trip
This itinerary covers multiple famous attractions and unique landscapes in Xinjiang, but the specific schedule can be adjusted appropriately according to personal interests and time arrangements.