While the United Kingdom is filled with palatial residences and elegant country estates, very few are true royal palaces. Some royal residences, such as Balmoral Castle in Scotland and Sandringham House in Norfolk, are privately owned by the monarch and off-limits to the public, but many of the estates the king calls home are actually open for tours. From the official residences of King Charles III across the UK, to the opulent castles of kings and queens past, visitors can experience a bit of royal life while touring state apartments, throne rooms, acres of gardens, and caches of sparkling crown jewels. Here, discover 12 royal palaces that you can visit, from London to Edinburgh.