The Royal Alcázar of Seville is one of Spain’s most breathtaking palaces, a UNESCO-listed complex still used by the Spanish royal family. This skip-the-line ticket grants access to its dazzling Mudejar halls, intricate plasterwork and tiled courtyards, as well as the expansive gardens of palms, fountains and orange trees. Famous as a filming location for Game of Thrones, it rewards visitors with centuries of layered Moorish and Christian artistry, without the long entry queues.