Important artwork includes Japanese paintings from the 7th to the 14th centuries; exquisite Japanese and Chinese masterpieces of lacquer-work of various centuries, including examples of lacquer-carving, gold lacquer, and lacquer with mother of pearl; and many fine examples of calligraphy.
In Ueno Park, just three minutes' walk from Ueno Station, the National Museum of Western Art (Kokuritsu Seiyō Bijutsukan) was built in 1959 to plans by famous Swiss architect Le Corbusier.
The exhibits, largely made up of works by important French artists, come mainly from the collections of Japanese businessman and art collector Kojiro Matsukata, bought during visits to Europe early in the 20th century.
Other notable features include the two-meter-thick wall surrounding the palace and its gates, one of which leads to the East Higashi-Gyoen Garden, one of the few areas open to the public (the main Palace Gardens are only open twice a year, on January 2nd and April 29th, when crowds flock here to catch sight of the Emperor).
One fortress that can be visited is Edo Castle (Chiyoda Castle), built in 1457 and located in Tokyo's Chiyoda district.
It's also a city rich in music and theater, with numerous venues featuring everything from Japanese to modern dramas, symphony orchestras, and pop and rock concerts.
The chief attraction of Tokyo's Marunouchi district is the Imperial Palace with its beautiful 17th-century parks surrounded by walls and moats.
Created by Japan's Science and Technology Agency, this ultra-modern, purpose-built facility includes many hands-on interactive exhibits dealing with everything from earthquakes to weather, as well as renewable energy and robotics, and displays relating to modern transportation that include a superb model of a Maglev train.
Also worth visiting is the Edo-Tokyo Museum, completed in 1993 and dealing with the region's rich past, present, and future.
Tokyo, the capital city of the parliamentary democratic monarchy of Japan, is also home to the Emperor's Palace and the seat of Government and Parliament.
In East-Central Honshu, the largest of Japan's main islands, this heavily populated city is well worth exploring.
In addition to its lovely grounds, the park also boasts a zoo, aquarium, and numerous temples and museums to explore.