Located in central Germany, Frankfurt is a vibrant cultural and economic hub nestled on the Main River. Museums and architectural gems abound in Frankfurt, from the Goethe House, to the picturesque timber houses of Römerberg town square, to the Museumsufer, a collection of museums lining the banks of the Main.

The Arctic Ocean, the world's smallest and shallowest ocean, offers a breathtaking and unique adventure for those seeking the grandeur of the polar regions. This icy expanse, bordered by Europe, Asia, and North America, is renowned for its stunning natural beauty and pristine landscapes.

Tucked away in the heart of the Pacific Ocean, Nauru is one of the world’s smallest and least visited countries being an island nation just 21 square kilometers in size, with a population under 10,000. But its compact size makes exploring simple and rewarding. Visitors can circle the entire island by car in under an hour, taking in stunning ocean views, remnants of World War II bunkers, and clusters of colorful homes that speak to Nauru's resilient spirit and layered past.

A tributary of the Rhine, the Moselle River flows through France, Luxembourg and Germany. The Moselle also lends its name to a region of France, a valley which it bisects, and a wine produced along its banks.

Rwanda, often called the “Land of a Thousand Hills,” is a country of rolling green landscapes, misty mountains, and shimmering lakes. Its scenery is striking, with terraced hillsides and lush valleys stretching as far as the eye can see.