Rikugien, a delicate and gentle Japanese garden, was created in the early 1600s on land reserved for the shogun. Along with Koishikawa Korakuen Garden, it was one of the two largest gardens in Edo during the Edo period (1603-1867). Trees, mountains (Tsukiyama), and ponds make up this impressive garden. And this garden was also a special place for the famous industrialist Yataro Iwasaki (founder of the Mitsubishi group) in the 19th century. A nice, relaxing walk through the garden takes about two hours. You can also sip your powdered green tea at a teahouse in the garden while admiring the pond from the window.