Alnwick Garden is a beautiful garden located in Alnwick, Northumberland, England. It was designed by Jane Percy, the Duchess of Northumberland, and opened to the public in 2001. The garden features a variety of themed areas, including a stunning water feature, a rose garden, and a poison garden that showcases toxic plants. The garden is known for its unique design and educational focus, offering visitors a chance to learn about horticulture and the environment. It also includes a treehouse restaurant and a shop, making it a popular destination for families and tourists alike.