All 8 Dragon preist mask locations!

Volsung Mask
Location - Volskygge, Haafingar
Mask Stats - 23 Armor, 9 Weight, Value 4611, 20% better prices, water-breathing, and +20 to carry weight

Rahgot Mask
Location - Forelhost, The Rift
Mask Stats - Armor 23, Weight 9, Value 962, with a bonus of +70 to your stamina stat

Otar
Location - Ragnvald, The Reach
Mask Stats - 23 Armor, 9 Weight, Value 1521, provides a 30% bonus to resistance against fire, shock and ice magic

Vokun
Location - High Gate Ruins, The Pale
Mask Stats - 23 Armor, 9 Weight, Value 2182, and spells of Alteration, Conjuration, and Illusion are improved by %20

Nahkriin
Location Skuldafn, Other Realm
Mask Stats - Armor 23, Weight 9, Value 2173, Destruct and Regeneration Spells cost 20% less to cast, and the player is given a +50 bonus to Magicka.

Hevnoraak Mask
Location - Valthume, The Reach
Mask Stats - Armor 23, Weight 9, Value 891, provides immunity to poison and disease.

Krosis
Location - Shearpoint, The Pale
Mask Stats - Armor 21, Weight 5, Value 1615, gives you a 20% bonus to Lockpicking, Archery, and Alchemy

Morokei Mask
Location - Labrynthian, Hjaalmarch (You will get this when going to get the Staff of magnus)
Mask Stats - Weight 4, Value 637, and your Magicka regenerates 100% faster


Note: Will add pictures tomorrow of the places.