You won't need to dig very deep to learn about the area's mining history. Head to Saggrenda Silver Mines for an insight into the resources once excavated here.
You'll find this attraction in Kongsberg. Pay the entrance fee and then explore at your own speed. Once you've finished at Saggrenda Silver Mines, check out nearby sights like Kongsberg Skisenter, Kongsberg Church and Kongsberg Chamber of Commerce.