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.

Set on the River Seine, Rouen is Normandy's capital and a breathtaking city steeped in history, art, and romance. Marvel at the exquisite Gothic architecture of the Palais de Justice, l'Église Saint-Maclou, l'Abbatiale Saint-Ouen, and the Cathédrale Notre-Dame de Rouen.

Sapporo, (säp-pô´rô), capital of Hokkaido prefecture, SW Hokkaido, Japan. One of Japan's most rapidly growing urban centers, Sapporo is famous for its annual snow festival. It was the site of the 1972 winter Olympics.

The commercial and cultural center for the Ruhr region on the Rhine River, Duseldorff is also the site of the Felderhof Cave where Neanderthal man was found in 1856.

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.