Keflavik was founded in the 16th-century by Scottish entrepreneurs as a fishing hub. During the Cold War, it was a strategic place—NATO used the Naval Air Station of Keflavík as a monitoring station. The base was closed in 2006 and, the former barracks are now student houses. Explore the Viking World museum to learn about the Viking history and culture and the Museum of Rock for fantastic displays on the history of music. Don't miss a visit to the Giantess Cave—take a look inside and you'll be surprised!