Cluj-Napoca, often referred to as the unofficial capital of Transylvania, is a vibrant and lively city with a rich cultural history. Despite its ominous administrative status, the city is far from grim and has a well-deserved reputation as a party town. Named the European Youth Capital in 2015, Cluj-Napoca is home to an estimated 100,000 students, who make up about a fifth of the population. This youthful energy, combined with the city's cultural renaissance, makes Cluj-Napoca a must-visit destination for anyone interested in experiencing the vibrant arts and entertainment scene.

Known as one of the imperial cities of Morocco, the opulent city of Fès is the country's oldest city, and it is split into two areas – Fès-el-Bali (Old Fes) and Fès-el-Djedid (New Fes) – as some mystical fusion of an ancient Islamic past and the French-influenced present. The endless Medina, which contains 9,500 streets, sells everything from jewellery to furniture, crafts, carpets, leather goods and spices.

Capital of one the world's fastest-growing economies, Addis Ababa (also spelled Addis Abeba) is a city in motion, catching up to Ethiopia's zooming commercial development in stride. At times gauche and somewhat rough around the edges, it is nonetheless worth more than a single night in transit, if only for the country's finest dining, shopping and of-the-moment urban developments.

Seoul is a city of contrasts in which the ancient and the modern coexist in harmony. In one sense, it is a hi-tech 21st-century city awash with neon lights and the sights and sounds of a 24-hour metropolis, while at the same time, a city retaining the majesty and graceful ambience of ancient dynasties that once ruled over it. Like the river Han on which it sits, Seoul is constantly moving as it strides boldly into the future, yet simultaneously managing to keep one foot firmly entrenched in its historical past.