The vast carpet of pampas grass in Akiyoshidai Quasi-National Park, Yamaguchi Prefecture, never looks better than in autumn. This golden-hued vista can be enjoyed until mid-November.

Mine City in Yamaguchi Prefecture is home to Akiyoshidai, the plateau with the highest karst concentration in Japan. Designated as a National Monument (Akiyoshidai Quasi-National Park) in 1955 ...