Coimbra, set along the banks of the Mondego River in central Portugal, is a historic city known for its academic legacy and old-world charm. Once the medieval capital of Portugal, it is home to the University of Coimbra, one of the oldest in Europe and a UNESCO World Heritage Site.

Natural wonders await you in the steaming, geothermally active North Island city of Rotorua, New Zealand. Pohutu Geyser erupts several times per day, and blistering mud pools provide a truly unique sightseeing experience. When in Rotorua, tourists also visit its living Maori village, as well as Te Puia (New Zealand Maori Arts and Crafts institute), where weaving and woodcarving is featured.

Mikumi National Park, located in Tanzania's southern highlands, offers a pristine and relatively undiscovered safari experience. Spanning over 3,230 square kilometers, Mikumi is part of the larger Selous Ecosystem, providing a diverse range of habitats from open grasslands to dense miombo woodlands. This park is an excellent choice for those seeking a more tranquil alternative to the more frequented Serengeti and Ngorongoro Crater.

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.

The Costa del Sol, stretching along the southern coast of Spain in Andalusia, is famed for its golden beaches, lively coastal towns, and sunny Mediterranean climate.