Venice- been twice, love walking around the little streets, stayed one time by the Grand Canal in a super-cheap but faded grandeur hotel. Going out on the boat to the island with the beach, then the view coming back in. Absolutely love it, would go again like a shot.
Whereas...Florence, too hot, too dusty, lots of statues and art but that's not my thing (after the first few anyway).
Love London, the hustle and bustle, the sights, the whole pace of the place, surprising stuff when you wander about. So many great buildings to look at if you walk down the Thames. Wouldn't hang out in the shopping centres (Oxford Street) if you paid me money. Loved living all over and working in the centre.
Agreed Versailles was not impressive, but this was 20 years ago.
Cornwall, there are some nice bits, but much of it is meh. And no trees, which doesn't enhance a place in my mind.
Salisbury, Canterbury, all these 'bury' towns are boring. Nice cathedrals but everything else dull.