But where others saw problems, the entrepreneurand engineer Sam Eyde, saw opportunities. He wasstruck by the beauty of the Rjukanfossen waterfall but also by the possibility of taming the waterfall and generating power. Together with the scientist Kristian Birkeland, Sam Eyde built an industrial empire out of air and water: Norsk Hydro. YOU CAN START THE TRIP at Torget, the market, next to the tourist information office. We recommend following the signs and map provided and allow these to lead you on a fascinating and informative journey through this history rich town. Let the stairs lead you into Kjærlighetsstien and the nature reserve. Alternatively for those free spirited souls – use the map and create your own route… Enjoy!