I really like how architects Grimshaw have utilised the card tubes, commonly used to hold fabric, in their design for John Lewis. Google Image Result for http://static.dezeen.com/uploads/2011/09/dezeen_John-Lewis-Fashion-Pavilion-by-Grimshaw_01.jpg
Harrods - I've been there once a long long time ago. I'd love to revisit it with Chris and just spend a lovely day sightseeing with him, doing all the touristy things I've never actually done (not just window shopping!).