Dungeon Lock Outs

There are a few dungeons in skyrim that just are not open to the player some of these need quest to be open or even show the entrance (Please add this to any quest or dungeon that apply) these are not a glitch but there to prevent players from messing up the quest new thing

Quest/ Dungeon

Proving Honor/ Dustman's Cairn

Blindsighted/ Irkngthand

Unfathomable Depths/ Avanchnzel

The jagged Crown/ Korvajund

know that my list is not done yet do please add and link to the approprite quest