Colonia del Sacramento is where time lingers. Founded in 1680 by the Portuguese and later contested by the Spanish, the town’s past is etched into its cobblestone streets and weathered facades. The Barrio Histórico, a UNESCO World Heritage Site, is compact enough to walk in an afternoon yet layered with centuries of stories. Visitors can explore remnants of the original city walls and climb the iconic lighthouse for sweeping views of the Río de la Plata.

Matera, one of Italy's most enchanting cities, is a living testament to human resilience and creativity. Nestled in the southern region of Basilicata, Matera is renowned for its ancient cave dwellings, known as the Sassi. These prehistoric stone houses, carved directly into the limestone rock, date back thousands of years, making Matera one of the world's oldest continuously inhabited cities.

Red Sea beaches, world-class snorkeling and spectacular desert environments are all reasons to visit the port city of Aqaba, Jordan. Take a quick walk from the city's lovely waterfront promenade and behold its Old Town, which features the 14th century Mamluk Fort and the Aqaba Archaeological Museum.

Tbilisi, the capital of Georgia, is a city where tradition and modern life blend seamlessly. Set along the banks of the Kura River and surrounded by hills, its layout reflects centuries of change and cultural exchange. The Old Town, with its cobbled lanes and wooden balconies, is a living museum of architecture, showcasing influences from Persian, Ottoman, and Russian eras. Above it all, the Narikala Fortress stands watch, offering sweeping views of the city below.

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.