Stone Museum, located in Ashino, Nasu Town, Tochigi Prefecture, is a distinctive art museum completed in 2000. Designed by renowned architect Kuma Ken'go and his firm Kuma Kengo Architect and Associates, this museum seamlessly integrates natural stone materials into its architectural design. The building exemplifies contemporary Japanese architecture through its innovative use of local stone resources and harmonious relationship with the surrounding landscape. Stone Museum serves as both a cultural institution and architectural landmark, attracting design enthusiasts who appreciate its thoughtful material expression and integration with the natural environment.