Cagliari is Sardinia's capital and largest city. Several civilizations have left their imprint here architecturally and culturally. Must-sees include the Museo Archeologico Nazionale di Cagliari, with its Roman and Byzantine treasures, as well as Castello, a medieval quarter situated on a hill above the city. The city is also known for its food and vibrant nightlife.

Greenland is the largest island in the world, inhabited only by about 60,000 people. It is a country dependent mostly on foreign trade, with about one quarter of its income from fishing. Eight-five percent of the country is covered by ice; in some parts it is 2 miles thick.

Behold beautiful Lucerne! This German-speaking area of central Switzerland on Lake Lucerne is a truly spectacular locale. Surrounded by mountains and notable for its famous Chapel Bridge, this idyllic and musical Swiss locale is wonderful any time of year.

The second-biggest state in America, Texas is dotted with several appealing cities, including music and food-focused Austin, bustling Houston, arts and culture-rich Dallas-Fort Worth, and San Antonio, where the River Walk is not to be missed.

Slovakia has a primarily continental climate, with warm summers and cold winters. The Carpathian Mountains endure harsher winters and receive heavy rainfall.