This means I then have to plan something nice for the anniversary

I have only been once on a School trip about 16years ago so have no idea where things are etc.
Basically I'm after some advice on what airport to fly to and what area to look for hotels in. We'd want to do all the touristy stuff- open top bus tour, see Buckingham palace, tower bridge, London eye maybe, Harrods I guess, that sort of thing.
Any advice or recommendations would be gladly recieved.
