See Mount Fuji, explore a bat cave, and visit a thatched-roof village that rivals Shirakawa-go.
The secret gathering spot for gods where the sun once hid from the Earth.
Explore the subterranean lava caves of the 'Fuji Five Lakes' area.
Oita’s secret mixed-gender onsen in a cave!
Mountainous and magical.
Fascinating fossils and charming chasms.
And after a long day in pursuit of enlightenment, what better way to unwind than a long soak in the onsen?
Explore Mt. Fuji’s lava tunnels not too far from Gotenba.
Explore the underground depths of Kochi's prehistoric past.
Glimpse into the afterlife at these mysterious graves.