Hiroshima Prefecture, Kure City, Iron Whale Museum

Its official name is the Kure Maritime Self-Defense Force Museum, but it is commonly known as the Iron Whale Museum. The submarine in front of the building is not a dummy or fake, but a real retired submarine. You will be overwhelmed by its size when you see it up close. The best thing about it is that there is no admission fee. I think it is a facility that enthusiasts will love, but the general public can also enjoy it. There are exhibits of the interior of submarines and torpedoes. You can also enter the real submarine on the outside. The Yamato Museum is right in front of it, so be sure to visit both.