La Palma (also San Miguel de La Palma) is the fifth of Spain's Canary Islands. This mountainous volcanic island is a natural wonder of tropical vegetation. Its coast is lined by jagged cliffs and plunging ravines, and its beaches are covered with black sand. Thanks to dry climate and the height of its mountains creating excellent observation conditions, La Palma has become the home of some of the world's largest telescopes, seated on the rocky ridge called El Roque de los Muchachos.

Ruhengeri, officially known as Musanze, lies in northern Rwanda at the foothills of the Virunga Mountains. The town has long served as a gateway between Rwanda and neighboring Uganda and the Democratic Republic of the Congo, giving it both strategic and cultural importance.

Dominica, known as the “Nature Island of the Caribbean,” is a haven for eco-tourists and adventure seekers. Nestled between the French islands of Guadeloupe and Martinique, this lush island boasts a remarkable landscape of volcanic mountains, dense rainforests, and stunning waterfalls. Dominica’s most iconic natural wonder is the Boiling Lake, the second-largest hot spring in the world.

Blair Atholl, a village in the heart of Highland Perthshire, Scotland, is best known as the home of Blair Castle, a striking white-walled fortress that has stood for over seven centuries.

Kalmar Union, combination of the crowns of Denmark, Sweden, and Norway, effected at Kalmar, Sweden, by Margaret I in 1397. Because all three crowns were elective, the union could not be maintained by inheritance. Margaret's successors controlled Sweden intermittently until Gustavus I of Sweden dissolved the union (1523). Norway became independent in 1814.