According to one survey, seven of the ten World's Happiest Countries are in Europe. These seven are: Norway, Switzerland, Sweden, Denmark, Finland, Netherlands, and Luxembourg.
Italy's Mount Etna, one of the most active volcanoes, is home to Europe. It erupts almost every year and towers 10,900 feet above Sicily, and can be seen from much of the island.
Macaques are the only nonhuman primates found in Europe. They have been living on a narrow peninsula at the southern edge of Spain, called Gibraltar, for centuries.
Visitors to Sweden's Vasa Museum can check out an intact royal warship that sank in Stockholm harbor on its voyage in 1628. It's the only preserved 17th-century ship in the world.