Japan: Himeji Castle 
Himeji Castle is the only castle we visited in Japan is a "real" castle, ie. it is the original castle (with some restoration work) and not a reconstruction.
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Japan: Hiroshima Castle Hiroshima Castle was destroyed by the atomic bomb in 1945 but has been reconstructed (in 1958) and now serves as a museum of Hiroshima history pre World War II.
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Japan: Okayama Castle and Korakuen Okayama Castle is another reconstructed castle (the original was destroyed in World War II by air raids). Nearby is Korakuen which is regarded as one of the Three Great Gardens of Japan.
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Japan: Osaka Castle Osaka Castle was destroyed (several times over the course of history), and the present building is a concrete reconstruction.
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