The greatest FORTRESS ever built.
Game of Thrones Season 2, Episode 7
Casterly Rock
is an impregnable FORTRESS.
Game of Thrones Season 7, Episode 3
Welcome to my FORTRESS of shame.
The Big Bang Theory Season 9, Episode 19
We are about to enter Atzel's FORTRESS.
The Big Bang Theory Season 2, Episode 3
And the FORTRESS they built here
has never been overcome.
Game of Thrones Season 4, Episode 5