1. Sunlight: One of the most unique aspects of Rjukan is its sunlight situation. The town is situated in a deep valley surrounded by high mountains, which causes it to be deprived of direct sunlight for several months during the winter. To combat this, the town installed giant mirrors on the mountainside in 2013 that reflect sunlight down into the town square, allowing residents and visitors to enjoy sunlight during the winter months. 2. Industrial History: Rjukan has a rich industrial history, particularly in the production of fertilizers. In the early 20th century, the town became known for its hydroelectric power plants and factories that produced chemicals for fertilizers. The Rjukanfossen waterfall was harnessed to generate electricity, which fueled the industrial development of the town. 3. World Heritage Site: Rjukan, along with its neighboring town Notodden, was designated as a UNESCO World Heritage Site in 2015. This recognition was given due to the towns' significance in the development of hydroelectric power and the production of artificial fertilizers, which had a profound impact on global agriculture. 4. Gaustatoppen: Rjukan is located near Gaustatoppen, which is the highest mountain in Telemark County. Gaustatoppen is a popular destination for outdoor enthusiasts and offers stunning panoramic views from its summit. It is also known for its distinctive triangular shape and is often referred to as the "Queen of Telemark." 5. Outdoor Activities: Rjukan is surrounded by beautiful natural landscapes, making it an ideal location for outdoor activities. Hiking, skiing, ice climbing, and mountain biking are popular pursuits in the area. The town is also a gateway to Hardangervidda National Park, which is known for its vast wilderness and diverse wildlife.

6. Industrial Heritage Sites: Rjukan has several industrial heritage sites that showcase its history and development. The Norwegian Industrial Workers Museum provides insight into the town's industrial past, while the Vemork Power Station Museum highlights the production of heavy water during World War II. Visitors can learn about the role these sites played in Norway's industrialization. 7. Ice Climbing: Rjukan is renowned for its ice climbing opportunities. The town's frozen waterfalls attract climbers from around the world who come to challenge themselves on the vertical ice formations. Rjukan Ice Festival, held annually in February, celebrates this popular winter sport and offers various activities and competitions. 8. Cultural Events: Rjukan hosts several cultural events throughout the year. The Rjukan Rock Festival attracts music lovers with its lineup of local and international bands. The Rjukan Blues Festival showcases talented blues musicians from Norway and beyond. These events contribute to the vibrant cultural scene of the town. 9. Cable Car: Rjukan is home to a cable car called Krossobanen, which is one of Norway's oldest cable cars still in operation. It transports visitors from the town to the top of Gvepseborg Mountain, providing breathtaking views of Rjukan and the surrounding landscape. 10. Waterfalls: Rjukan's Other notable waterfalls in the area include Månefossen and Vemorkfossen, both of which offer impressive cascades.