Windsor Castle is the world's oldest and largest occupied castle. It has been home to 39 British monarchs over the past 900 years. The State Apartments are particularly impressive, decorated with paintings by famous artists such as Rubens and Holbein. The Roman Baths offer a unique insight into the Roman way of life dating back to 60 AD. You can walk around the well-preserved site, and learn about the baths' history and the significance of the hot springs in the region.