While I'm all for splashing around in the waters of Acapulco myself, I'm leaving the cliff diving at La Quebrada to the experts. (This isn't to say I won't ever cliff dive; I might just start with a smaller, less dangerous cliff.
Buckingham Palace, London amongst the top most places that are worth visiting. It is accredited with the title the “world’s largest working royal palace”. This place is the official London residence for the British monarchy.