If you are interested in SAMURAI, you would go to the Edo-Tokyo Museum in Ryogoku, Tokyo.
In there, you could see the diorama which is reproduced past Japan.
The museum is divided into two area.
That is, it is Edo area and the Tokyo area.
In Edo area, you could see the piece of life of SUMURAI.
And in Tokyo area, you could see the Japanese people's life which is after the SAMURAIs disappeared.
Thus, Edo-Tokyo Museum is very important institution to know the life of Japanese people.
Moreover, you could meet sumo wrestlers in Ryogoku.