Ishigakiyama Castle Ruins 石垣山一夜城
Hideyoshi made it look as if it had been built in one night: in reality it took eighty days.
Built by Toyotomi Hideyoshi during the siege of Odawara in 1590 on a hill overlooking the enemy castle, it was the first castle in the Kantō built entirely of stone and stayed in use only for the duration of the siege: once Odawara had fallen, it was dismantled.
Kanagawa
Hayakawa