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.

At more than 7,000 feet above sea level in the Andes Mountains, this symbol of the Incan Empire was designated a UNESCO World Heritage Site in 1983 and was named one of the New Seven Wonders of the World in 2007.

Stromboli is a small volcanic island in the Tyrrhenian Sea, just off the north coast of Sicily. Referred to by some as the "Lighthouse of the Mediterranean," Stromboli is in a constant state of mild volcanic activity, so don't venture out on a hike without an experienced guide.

This Arab nation on the east bank of the Jordan River, is a home to ancient monuments, nature reserves and seaside resorts. The famed archaeological site of Petra is located here. With tombs, temples and monuments carved into the surrounding pink sandstone cliffs, Petra earns its nickname, the "Rose City."

This coastal town in Montenegro is part of the World Heritage Site dubbed the Natural and Culturo-Historical Region of Kotor. It holds several summer events, such as the Summer Carnival or Bokeljska Noc. One of the most notable and charming aspects of the town is the large population of cats that have become a symbol of the city.