Mito is the city related with Mito Komon (Tokugawa Mitsukuni). There are many ruins of Mito Tokugawa, especially Kairakuen Garden and Kodokan. Kairakuen-garden is the one of the three major gardens of Japan. Kairakuen garden was built by Tokugawa Nariaki (Father of Tokugawa Yoshinobu). It was open for all samurai of Kodokan and mito civilians. Kodokan is the school built in late Edo Period. It was the largest school at that time and last Shogun, Tokugawa Yoshinobu studied at Kodokan.
Mito is also very famous for Natto. There are many Natto factories.