The King's party returns to the city though this this gate.
Catelyn and Ser Rodrik ride into King's Landing to investigate the attack on Bran.
Lord Baelish shows Ned Stark to his brothel to see Catelyn who had snuck into the city.
Home of the Nights Watch at the base of The Wall where Jon Snow travels. Photos of the set constructed in the disused quarry can be found here. One of the quarry walls was painted to look like ice, all of the buildings around the courtyard were built (including several interiors) as well as a working elevator.