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.

St. Vincent & the Grenadines is a Caribbean nation that feels both adventurous and serene, a chain of lush islands and tiny cays scattered across turquoise waters. The main island of St. Vincent is dominated by volcanic landscapes, including the active La Soufrière volcano, whose slopes are covered in rainforest and dotted with waterfalls.

In the walled city of Siena we stand firmly planted in the Middle Ages. Siena preserved its original character more markedly than any other city in Italy.

At the very heart of Denmark lies Odense, birthplace of Hans Christian Andersen and Denmark's third-largest city - the fairy-tale capital of Funen, home to 200,000 people and with a history stretching back over 1000 years.

Ol Doinyo Lengai, often called the "Mountain of God," is an active volcano located in northern Tanzania and is a must-visit for adventurous travelers. Towering over the Great Rift Valley, this majestic peak is unique due to its lava composition. Unlike most volcanoes that produce molten lava, Ol Doinyo Lengai emits natrocarbonatite lava, which is unusually cool and flows like water. This rare phenomenon makes it one of the most intriguing volcanic landscapes on Earth.