CHIKUZEN, Fukuoka Prefecture--A full-size replica of the rarest of Japan’s World War II fighter planes, the Shinden interceptor, has gone on display at the Tachiarai Peace Memorial Museum here.

Outside, the first of the museum's six gardens was inspired by ones in Kyoto during the Heian Period, when the city (then known as Heian-kyō) served as Japan's capital. The Shinden Garden ...