7Alnwick Castle, Northumberland

Alnwick Castle has stood for more than 900 years and is still the home of the Duke of Northumberland.

Its medieval walls and grand state rooms make it a fascinating destination, but it’s also famous for its appearances in popular films and TV shows, including Harry Potter and Downton Abbey. The adjacent Alnwick Garden features the unique Poison Garden and a cascading water display, making the castle an enchanting stop in northern England.

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