Amy walks down these corridors to go to the bathroom in the White House in episode 6x01 "The Impossible Astronaut".
The Doctor and Amy are taken to watch a demonstration of the Daleks in episode 5x03 "Victory of the Daleks".
Rory is driven to to Grayle's mansion in episode 7x05 "The Angels Take Manhattan".
Jack observes Rose hanging from a barrage balloon in episode 1x09 "The Empty Child".
The Doctor and his crew confront Margaret about her evil plan in Cardiff in episode 1x11 "Boom Town".
Elton watches the Sycorax fly over London and crash into Big Ben in episode 2x10 "Love & Monsters".