The Royal Palace of Caserta was once the abode for various Kings of Naples. It is the largest palace in the world and is the finest representation of Baroque art. You can marvel at the various artworks and riches on display at the painted halls of the Royal Apartments.
To be clear: though this comes as a surprise to most people interested in history or architecture, Caserta is much, much bigger than Versailles. The Reggia di Caserta, as it is known in Italian, is a magnificent representation of Baroque architecture.
Windsor Castle is the oldest and largest inhabited castle in the world and has been the family home of British kings and queens for almost 1,000 years. It is an official residence of Her Majesty The Queen and is still very much a working royal palace today, home to around 150 people.
Buckingham Palace, £3.9 billion ($4.8bn)Unsurprisingly, Buckingham Palace is the jewel in the crown of the royal portfolio, with an estimated worth of £3.9 billion (4.8bn).
The Forbidden City also has 9,999 rooms, only one room less than the mythical 10,000 rooms of the palace in heaven. On the roof of the Imperial Palace, you will see nine mythical creatures that were supposed to protect the emperor.
The palace, like Windsor Castle, is owned by the reigning monarch in right of the Crown. Occupied royal palaces are not part of the Crown Estate, nor are they the monarch's personal property, unlike Sandringham House and Balmoral Castle.
The Five Royal Palaces in Seoul are Gyeongbokgung Palace, Changdeokgung Palace, Changgyeonggung Palace, Deoksugung Palace and Gyeonghuigung Palace. Gyeongbokgung Palace is arguably the most beautiful and remains the largest of all five palaces.