There is so much to see here! I kept thinking I ha...

There is so much to see here! I kept thinking I had seen enough then caught sight of another building and just had to go in and look. The medieval parts are perhaps less "famous" than the Bloody Tower and the Tudor graffiti but actually I found them more interesting and informative.
Don't be discouraged by the queue for the Crown Jewels, it moves quickly and you can look at the actual jewels for a lot longer than you can stand in front of the Mona Lisa.