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.

A rich experience awaits you in this wealthy, energetic and youthful Greek city. Revel in cosmopolitan pleasures: sophisticated shops and cafes, markets hidden away beyond historic city squares, and the superlative Archaeological Museum are but a few.

Situated on the Isthmus of Panama, the tropical Republic of Panama is of course best known for its canal. Thousands of ships cruise through the Panama Canal locks each year. Visitors to the country will also find diverse wonders of nature, including plants, birds, and trees. Panama City, its capital, has over a million inhabitants and is a modern, bustling destination.

Perched at the southern tip of the Iberian Peninsula, Gibraltar is a captivating destination where British and Mediterranean influences seamlessly blend. Dominated by the iconic Rock of Gibraltar, this British Overseas Territory is a haven for travelers seeking both adventure and history. The Rock itself is a limestone monolith that stands 426 meters high and offers breathtaking views over the Strait of Gibraltar, where the Mediterranean Sea meets the Atlantic Ocean.

Sitka is accessible only by air or sea, giving visitors a real taste of this wild frontier. Sitka offers incredible scenery, fishing, hiking, and abundant wildlife. 22 of Sitka's buildings and monuments appear in the National Register of Historic Places.