I was exploring Shroud Hearth Barrow and after killing the ghost elf guy, I went into his little room and saw this. It looks like it could be a door, and if
Skyrim: Where To Get The Sapphire Dragon Claw (& What It's For)
Steam Workshop::Dragonborn HD Ultra - Apocrypha
Sapphire Dragon Claw door – Postcards from Skyrim
When you play Skyrim for awhile .. — Nick Shakespeare
SKYRIM Torc of Labyrinthian by SPARTAN22294 on DeviantArt