1. Geothermal Energy: Reykjavík is known for its use of geothermal energy, which is harnessed from the natural hot springs in the area. This renewable energy source heats around 90% of the city's homes and provides hot water for public swimming pools and bathing facilities, making it one of the most environmentally friendly cities in the world. 2. Literary Heritage: The city has a rich literary tradition and is often referred to as the "City of Literature." Reykjavík was designated a UNESCO City of Literature in 2011, recognizing its vibrant community of writers, poets, and literary enthusiasts. It hosts numerous literary festivals and events throughout the year. 3. Midnight Sun and Northern Lights: Due to its location near the Arctic Circle, Reykjavík experiences unique natural phenomena such as the Midnight Sun in summer, where the sun never sets for several weeks, and the Northern Lights in winter, which attract many visitors hoping to witness the breathtaking display of colors in the night sky.