National Diet Building
East Imperial Garden, located on the eastern portion of the Tokyo Imperial Palace grounds and housing the castle tower and the outer defense positions of the former Edo Castle, opened to the public in 1968. Kitanomaru Park, located on Edo Castle's former northern section, has the Tokyo National Museum of Modern Art and the Nippon Budokan, a venue for performances. Chidorigafuchi Boat Arena and Chidorigafuchi Moat Path includes a waterway for boats. National Diet Building Park, located adjacent to the Diet Building and divided in two by a street, includes American dogwoods planted to symbolize the relations between the United States and Japan. Hibiya Park, Japan's first western-style park, includes restaurants, open-air concert halls, and tennis courts. Imperial Palace Outer Garden, in the front of Nijubashi Bridge, serves as a jogging trail and a tourist site.