CopenhagenWith a history that dates back to 1043, Copenhagen the capital city of Denmark has many historic landmarks, buildings and, museums. The three most famous attractions in the city are the 100-year old amusement park Tivoli Gardens, the statue of The Little Mermaid, and the freetown of Christiania. Copenhagen is also regarded as one of the cleanest metropolitan cities in the world. It also has a dedicated bike culture.