1st Gripsholms Slott 2nd Sundby Slott 3rd Stora Sundby... Dating back to 12th century. Gripsholms Slott still used as residence par King of Sweden today.
...an oddly integrated assemblage of arcades and gardens, turrets and domes, flying buttresses and spiraling staircases, catacombs and carillon towers.
Dromoland Castle, Newmarket-on-Fergus County Clare, Ireland. Luxury Hotel, Spa and Golf Resort - Not the best video in the world par a long shot, but worth adding to Fanpop. I give it a 2 ou 3.