Photo: MaedaAkihiko, CC BY-SA 4.0 via Wikimedia Commons
Another prominent shrine in Tokyo. Located atop a little hill at the edge of the area. Reached by a steep flight of stairs under a veritable tunnel of orange torii, the shrine grounds are an oasis of tranquility in the middle of Tokyo and, in good weather, a popular place for a lunchtime picnic. The Sanno Matsuri (山王祭) festival it hosts in June is counted among the 3 Great festival of Tokyo, featuring the usual panoply of music, dancing, yatai stalls and sake.
The Hie Shrine is a Shinto shrine in Nagatachō, Chiyoda, Tokyo, Japan. Its June 15 Sannō Matsuri is one of the three great Japanese festivals of Edo. Other names for the shrine include Hiyoshi Sannō-sha, Hiyoshi Sannō Daigongen-sha, Edo Sannō Daigongen, Kōjimachi Sannō, Sannō-sha, and Sannō-sama.
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国会議事堂
Housing Japan's bicameral legislature, it was built in the 1920s. The most recognizable symbol of the Japanese government, it was built from Japanese building materials, features a pyramidal roof and is surrounded with green areas. The nearby free Kensei Kinenkan (between the Diet and the water) has a nice view on it, and tons of political artefacts to satisfy those interested in Japanese politics. English tours are available on weekdays by reservation only, but the tour focuses almost exclusively on the architecture of the Diet Building such as the origin of building materials or the dimensions of rooms, with little consideration for political procedure or historicity.
国立劇場, Kokuritsu Gekijō
For those interested in theatre arts, the Kokuritsu Gekijyo holds performances in traditional arts ranging from Kabuki, Noh drama, Bunraku puppet theatre, etc. You may want to check the schedule and make a reservation beforehand.
皇居 Kōkyo
Surrounded by a series of moats and high walls, the site of the former Edo Castle has been the official residence of the Japanese imperial family since 1868. Reputedly the most expensive square kilometre in the world, which during the height of Japan's bubble was estimated to be worth slightly more than California. The inner palace gardens and buildings are closed to the general public except on the second day of the New Year (January 2) and the Emperor's birthday (February 23), when the imperial family makes a public appearance, and the emperor gives a speech to his assembled subjects. However, foreigners can also apply online to join a free guided tour (M-F at 10:00 and 13:30). If you're feeling lucky, you can also try just showing up at the Imperial Household Agency office located in the northwest corner of the Imperial Palace Park, which is open 09:00-12:00, 13:00-14:00; if there's space, you can join a tour on the same day. Tours are conducted only in Japanese, but electronic audio guides (in English) will be lent to foreign visitors free of charge. At the end of the tour, visitors wishing to enter the East Gardens (see next entry) will be given entrance cards and allowed through to the gardens via a private gate, allowing them to bypass the lines at the main Ōte-mon entrance; pay attention to the announcement in Japanese and queue up as directed.
出光美術館, Idemitsu Bijutsukan
Has a noteworthy collection centering on Japanese traditional arts.
Kept in impeccable shape, the gardens of the Imperial Palace are particularly beautiful during the March and April plum and cherry blossom seasons. During the Edo period, this was the heart of the Shogun's castle, and you can see the tenshudai, the raised platform where the tenshukaku (main keep) was once located, and an open field that was once the site of the honmaru goten, the Shogun's main residential palace. Entrance is free through a number of gates; you will be given a plastic entrance card at the gate, which you are obliged to return upon leaving; most visitors use the Ōte-mon (大手門) gate near the Ōtemachi subway station (exit C10). Also an easy walking distance from Tokyo station.
北の丸公園, kita-no-maru kōen
Connected to the East Gardens on the north side is this park. Offering much of the same, it is a convenient way to get to Yasukuni Shrine. The park also houses the Nippon Budōkan (日本武道館), which regularly stages martial arts competitions and live concerts, as well as the Kagaku Gijyutsukan (科学技術館, Science museum).