London, UK
A vote over breakfast and, being a democratic family, we decided to go to the British Museum. Miles took all the dirty washing to the local Laundromat for a quick wash - such a pain on holidays to carry the dirties, but such a relief when it's all clean again. Two hours it would take and GB10, but closed by midday (so best not to be late!)
The Museum was literally 3 minutes walk around the corner and we arrived at opening time. We all admired the Rosetta Ston...