Tokyo concentrates the Tsukiji outer market, the Shibuya scramble, Shinjuku's neon Kabukicho, and Asakusa's Senso-ji temple within a Yamanote loop where each station unveils a different character of the world's biggest metropolitan area.
Cherry blossoms at Ueno Park, Meguro River, and Shinjuku Gyoen peak late March-early April, the year's most-watched seasonal moment.
Autumn colour at Rikugien and Mount Takao reaching peak mid-late November, Tokyo Marathon course visible, and the Tokyo Game Show late September.
Hot humid summer with Tokyo at 35°C, but Sumida River fireworks last Saturday of July, Bon Odori dance festivals across the city, and indoor capsule hotels stay cool.
Cool dry winter with rare snow dusting Senso-ji, Setsubun February 3 with bean-throwing at Zojo-ji, and the Tokyo illuminations across Marunouchi and Roppongi.