Atlas Obscura

Ancient Volcano Accidentally Invented The World's Best Tree Coffins

At the base of Japan’s Mount Fuji, there is a fascinating cave with several stories to tell. Located by the Kawaguchiko Field Center and part of the Mount Fuji World Heritage Site, the Funatsu-Tainai lava tree mold is one of the smaller and quieter caves of the Kawaguchiko area.…