Thrihnukagigur volcano in Iceland offers an extraordinary adventure, allowing visitors to journey 700 feet into its dormant magma chamber. This unique experience, featured in Time Out’s list of the world’s coolest underground attractions, transports visitors to a surreal and awe-inspiring destination. The volcano’s magma chamber, remarkably preserved for over 4,500 years, provides a rare glimpse into the depths of a volcanic structure. Opened to the public in 2012, Thrihnukagigur tours offer a one-of-a-kind adventure, with visitors descending into the cavernous chamber using a specially designed lift. The vast chamber, large enough to house the Statue of Liberty, reveals vibrant hues of red, yellow, green, and blue, created by mineral deposits over millennia. The descent offers an exhilarating and humbling experience, surrounded by the rich geological history of the volcano. Cave explorer Ákni B. Stefánsson’s discovery of the magma chamber in 1974 paved the way for current tours, allowing visitors to safely experience the grandeur of Thrihnukagigur’s interior. Thrihnukagigur tours are available during the summer months, providing an accessible yet adventurous way to explore the volcano. The hike to the volcano offers stunning views of Iceland’s rugged landscapes, while guides provide insights into the volcano’s history, geological processes, and the scientific significance of its preserved magma chamber.