Akiyoshido Cave is one of Japan’s most impressive limestone caves, featuring a dramatic river-fed entrance, vast underground chambers, and a scenic hike across the Akiyoshidai Plateau.

Ryugashido Cavern in Shizuoka offers a quiet, immersive look into Japan’s underground landscapes, featuring dramatic limestone formations and a striking 30-metre underground waterfall.

Step into Mount Fuji’s volcanic past with a visit to the Narusawa Ice Cave and Fugaku Wind Cave—two unique underground worlds shaped by lava and time.

Explore Enoshima Island’s shrines, sea caves, and coastal views—where history, mythology, and ocean scenery come together just outside Kamakura.