8. Oslo
Home to nearly 700,000 people, Oslo is the capital and largest city of this Scandinavian nation. Culture lovers rejoice by Oslo’s vast collection of historical buildings, significant museums, and parks to unwind in. One must-see in the capital is Akershus Fortress, a late 13th-century stronghold that you can explore by yourself or through a guided tour. Other architectural jewels of the Norwegian capital include Oslo Cathedral and the Royal Palace, where the king and queen reside.