The three film in the Godzilla Showa Era is King Kong vs Godzilla (1962). This movie influenced many a moviegoer and it was the start of the golden era of Toho films. There are many memorable battles and scenes across Japan from Sendai to Atami Castle. Google takes us there!
(〒112-0003 Tokyo-to, Bunkyo-ku, Kasuga, 1 Chome−16−30)
National Diet Building
(国会議事堂, 1 Chome-7-1 Nagatacho, Chiyoda-ku, Tōkyō-to 100-0014, Japan)
Here Kong crashes and grabs the Marunouchi subway line (地下鉄丸ノ内線) as it passes what today is the Bunkyo Civic Hall (文京シビックホール). Kong marched passed the Korakuen Amusement Park (後楽園遊園, known today as the Tokyo Dome City Attractions).
(富士山, Kitayama, Fujinomiya, Shizuoka Prefecture 418-0112)
(熱海城, 曽我山, Atami-shi, Shizuoka-ken 413-0033, Japan)
Here’s the complete map from King Kong vs Godzilla