The River Nile, most often associated with Egypt and its ancient civilizations, actually flows through eight other countries including Uganda, Ethiopia, Sudan, and Kenya. It is formed by two major tributaries, the White Nile and Blue Nile, and is considered by many to be the longest river in the world when measured from its source waters in Rwanda and Burundi.

Vis, a charming island city in Croatia's Dalmatian region, offers a serene retreat with its blend of historical allure and natural beauty. Known for its historical significance, Vis boasts remnants of its Greek and Roman past, including the well-preserved fortifications and ancient ruins. The city itself is a captivating blend of Venetian and Austro-Hungarian architecture, with quaint streets and lovely waterfronts that invite leisurely exploration.

Zagreb, the vibrant capital of Croatia, is a city where history, culture, and a youthful spirit collide in an unforgettable way. Wander through the cobblestone streets of the Upper Town (Gornji Grad) and marvel at its medieval architecture, such as the iconic St. Mark's Church, known for its colorful tiled roof depicting the coat of arms of Zagreb and the Kingdom of Croatia.

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.

Kochi (formerly Cochin), is a port city on the southwest coast of India and is a frequent stop for cruise ships. Known as the "Gateway to Kerala," Kochi's beaches, delectable seafood, expansive malls, historical sites, and museums make it a popular tourist destination.