The Imperial Palace East National Gardens is one of the most peaceful things to do in Tokyo. It offers historic ruins, seasonal flowers, and wide lawns. Visitors can explore Edo Castle’s stone walls and moats. The gardens feature Ninomaru Garden and the Ninomaru Grove. Both are perfect for quiet walks and relaxation. Enjoy cultural treasures at the Museum of the Imperial Collections. Capture stunning photos of the scenic landscapes. Join a free guided tour to learn hidden stories. The gardens blend history, nature, and serenity. They are a must-see for anyone planning things to do in Tokyo.