WAKAYAMA—A rare event to explore the underwater world of Wakayama Castle’s moat took place here on Oct. 5 as volunteers and city officials lowered the water level, revealing a hidden ecosystem.

The shock of seeing large parts of the celebrated castle crumbling to the ground reminded many of the need to preserve similar buildings around the country. Work began on Wakayama Castle in the ...

Anytime is right for enjoying the exquisite gardens and architectural splendors of Wakayama Castle, the unique charms of Japanese ryokan inns, or to savor every type of seafood imaginable ...

which was administered from Wakayama Castle by members of the Kishu-Tokugawa family. The first lord of the Kishu Domain was Tokugawa Yorinobu (1602- 1671), a member of the powerful Tokugawa clan ...