
Stone Museum Hakusekikan is a distinctive and immersive attraction in Hirukawa, Nakatsugawa City, Gifu Prefecture, showcasing an astonishing collection of over 25,000 mineral specimens, crystals, and precious stones gathered from around the world. The museum's grounds are dotted with imaginative architectural structures, including a large exploratory pyramid with an Egyptian stone at its center that visitors can enter and navigate. Interactive experiences abound, from gem hunting in water pools and navigating underground mazes to family-friendly treasure hunts that make geology come alive for children and adults alike. Additional exhibit halls on site offer diverse curiosities: the Unchiku-kan presents the unusual history and culture of toilets, while the Gekku Memorial Museum displays the travel postcards of the peripatetic artist Nakajima Gekku. Free parking is available on the spacious grounds. Located in the Hirukawa area of Nakatsugawa, renowned for its traditional post town atmosphere along the ancient Nakasendo highway, Hakusekikan combines geological wonder with quirky cultural exploration in a setting that surprises and delights at every turn.