The Palace of Versailles is the least crowded on Wednesdays and Thursdays during the week, and Sundays during weekends. The Palace is open on all days of the week except for Mondays. We would recommend avoiding booking tickets for Tuesday, because this is the most busy day for the Palace.
To be clear, Versailles is not the world's largest palace. But it sprawls across 2,014 acres, giving it this particular distinction. The palace itself is still a massive 721,206 feet of space.
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.
A new study has revealed that the French capital received the highest number of tourists of any European city in 2018, attracting 19.1 million foreign visitors. It knocked the UK capital, which had 19.09 million tourists, off the top spot in Europe.
In terms of actual visitor numbers, the following list represents the nations that receive relatively few tourists, with Nauru claiming the title of the least visited country in the world. List of the United Nations World Tourism Organization.