▲Windsor Castle claims to be the oldest and largest occupied castle in the world. It is open to visitors year-round.

▲The palace was founded by William the Conqueror in the 11th century and has since been the home of 39 monarchs. The Queen spends most of her private weekends here.

▲Tour the historical buildings and make a stop at St George's Chapel, where the Duke and Duchess of Sussex recently married.

▲This year, the State Rooms are open to the public from July to September.

▲The late Queen's official London residence is a working royal palace. Visit the State Rooms, which are open for 10 weeks each summer and on selected dates during winter and spring.

▲You can also visit the King's Gallery at Buckingham Palace. This former site of a chapel was redeveloped as a gallery for the Royal Collection in 1962. It is advised to buy tickets in advance for all Buckingham Palace attractions.

▲The Royal Mews are also open to the public for much of the year. They are home to historic royal carriages and are working stables.

▲Balmoral Castle has been the Scottish home of the royal family since it was purchased for Queen Victoria by Prince Albert in 1852.

▲The grounds, garden, and exhibitions are usually open to the public on a daily basis from March until July.

▲It is also possible to rent a holiday cottage in the grounds of the palace.

▲The free garden tours include the iconic statue of Queen Victoria, the Golden Gates, and the enchanting Sunken Garden, which takes inspiration from the dresses of Diana, Princess of Wales.

▲Explore a number of exhibitions, including Diana: Her Fashion Story, which features the clothes of the late princess.

▲London's Kensington Palace is the official residence of many members of the royal family, including the Prince and Princess of Wales and the Duke and Duchess of Sussex.

▲There are a number of attractions for visitors within the palace grounds. Take a walking tour and discover the diverse history and development of the gardens.

▲Holyrood was the late Queen's official residence in Edinburgh and the home of Scottish royal history.

▲The building is open to the public throughout the year and is easily accessible, as it stands at the end of Edinburgh's Royal Mile.

▲The gardens are an attraction in their own right and host the RHS Hampton Court Flower show every year.

▲This royal palace in Richmond upon Thames was the home of Henry VIII. It is open to the public year-round.

▲The palace provides fascinating insight into the daily lives of the Tudors and Stuarts and is a great family day out.

▲Children and adults alike will enjoy getting lost in Hampton Court Maze, which was planted in the 1690s.

▲Originally a large complex, the main surviving building is known as the Dutch House. The Grade I listed house is open to visitors.

▲The building was used to hold a dinner hosted by the Prince of Wales to celebrate the 80th birthday of Queen Elizabeth II in 2006.

▲Kew Gardens are a hugely popular attraction, but the grounds also contain a royal palace. Kew Palace is the smallest of all the royal palaces. It was originally built as a mansion for a wealthy London silk merchant in 1631.

▲Today, it is permanently docked in Edinburgh and open as an attraction.

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Or take afternoon tea at the Royal Deck Tea Room.

▲Take a look at how the Queen lived when aboard the ship by visiting the State Apartments and royal bedrooms.

▲Not a palace, but the former royal yacht of Queen Elizabeth II, this vessel was in service from 1954 until 1997.

▲It is one of the country's most popular tourist attractions and provides a fascinating insight into British history. With a number of attractions and tours and a convenient location, it is a great family day out.

▲Officially His Majesty's Royal Palace and Fortress of the Tower of London, this historic castle is in central London.

▲Take a look through the gallery to find out which palaces you can visit on your next vacation.