9: Palace of Versailles, France
Visitors per year: 5.9 Million
The Château de Versailles, which has been on UNESCO’s World Heritage List for 30 years, is one of the most beautiful achievements of 18th-century French art and one of the largest and most opulent castles in the world.
Palace of Versailles is located about 20 kilometers southwest of the French capital, Paris.
The Palace garden is the largest of its kind in Europe, created back in the 17th century, with a geometric pattern of bushes, flowerbeds and trees