34. Botallack Mine, Cornwall
The Botallack Mine in Cornwall is another beautiful sight that you should not miss to visit if you happen to be in Europe, especially if you are heading to Cornwall in the UK. This is a village which used to be a tin mine located in Botallack right in the west Cornwall area. The village is situated low down the cliffs and two engine houses can be found in the area and the mine extends to 400 meters under the Atlantic Ocean.
Image Credit: newforgecottage