Casterly Rock
is an impregnable FORTRESS.
Game of Thrones Season 7, Episode 3
And the FORTRESS they built here
has never been overcome.
Game of Thrones Season 4, Episode 5
Welcome to my FORTRESS of shame.
The Big Bang Theory Season 9, Episode 19
Welcome to my FORTRESS of solitude.
The Big Bang Theory Season 8, Episode 7
I'd call it a
"Fortress of Solitude for babies."
The Big Bang Theory Season 10, Episode 6