Kongsberg Silver Mines
The silver mines of Kongsberg, in Buskerud county in Norway, constitute the largest mining field in Norway, with over 80 different mines. It was the largest pre-industrial working place in Norway, with over 4,000 workers at its peak in the 1770s and supplied over 10% of the gross national product of the Danish–Norwegian union during its 335-year-long history: over 450,000 man-years were expended in the production.
Mølen
Mølen in Brunlanes, Larvik is Norway's largest beach of rolling stones, and is a part of Vestfoldraet, the terrain left behind after the end of the most recent ice age around 10,000 years ago. Mølen is one of Larvik's most popular tourist attractions. It is home to over a hundred species of rock, including Norway's national stone, "Larvikite", which is named from the area.