Here are the top 23 attractions ranked by TripAdvisor reviewers.
21. Lindisfarne National Nature Reserve
Tidal mudflats, saltmarshes and dunes combine to create a place which is home to fascinating plants and to a food supply that attracts bird visitors from thousands of miles away. Visit https://www.gov.uk/government/publications/northumberlands-national-nature-reserves/northumberlands-national-nature-reserves#lindisfarne Photo: JPI Media
22. Chillingham Castle
Dubbed Britain's most haunted historic castle, Chillingham is a 13th century, Grade 1 Star-listed stronghold in the heart of the county. The castle opens daily from 11am to 5pm. There is no need to book in advance. Visit https://chillingham-castle.com/ Photo: Paul Larkin
23. Cragside House and Gardens
Cragside, the National Trust property near Rothbury, was the creation of Lord Armstrong, the Victorian inventor and industrialist. The grounds are stunning and the house is fascinating. It is dubbed Britain’s original smart home – a pioneering Victorian mansion filled with the latest gadgets and inventions, illuminated with hydro-electricity and powered by hydraulics. Visit https://www.nationaltrust.org.uk/cragside Photo: Jane Coltman