Hall of Faces

The "Hall of Faces" houses skinned faces of the dead, and is found within a chamber inside the House of Black and White. The Faceless Men use the combination of magic spells and faces of the dead, to create their different camouflages. Cleansed faces of corpses are skinned and hung to dry within the Hall of Faces.

Structure
The Hall of Faces lies within a large, secret chamber. It is created of stone, with large pillars that house the many dead, skinned faces of corpses.

Season 5
Upon passing the game of the Faceless Men, Jaqen H'ghar brings Arya to the Hall of Faces. She realizes her work as an acolyte has prepared the bodies to have their faces skinned.