The Seven Wonders of the United Kingdom

Windsor Castle - The World's Biggest House is One of the UK's Seven Wonders

Royal Windsor Horse Show 2007

Scott Barbour/Getty Images

Fans of equestrian events regularly enjoy the festive Royal Windsor Horse Show, open to the public in May.

Of course, it's not the only castle in the UK. They're all over the place; visitors are spoiled for choice. Here are some others you might want to visit:

• Caernarvon Castle
• Carreg Cennen
• Beaumaris Castle
• The Castles of Wales
• Porchester Castle
• Rochester Castle.

Find a Windsor Hotel and Get a Great Rate

• Introduction to the Seven Wonders of the UK
• Windsor Castle - The World's Biggest House is One of the UK's Seven Wonders
• Stonehenge
• Orkney UNESCO World Heritage Site - Orkney's Sophisticated Stone Age Community
• The Seven Sisters
• York Minster - It's Official: One of the UK's Seven Wonders
• The British Museum - One of the Seven Wonders of the UK
• The Giant's Causeway, County Antrim, Northern Ireland