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.

Örebro is an attractive city boasting well-preserved historic areas along the river Svartån. While the grand Vasa Castle gathers the majority of the attention for its historical significance, Örebro offers a dynamic mix of old-world charm and modern vibrancy. The city's architectural diversity, coupled with an array of entertainment venues, shops, and cafés, creates a lively urban atmosphere. Within a short distance from the city, natural wonders such as Lake Hjälmaren and Kilsbergen, “The Blue Mountains,” provide great outdoor experiences.

Perugia is the provincial capital of Umbria, one of Italy’s most beautiful regions. The ancient heart of the city, packed full of Etruscan and Roman monuments, perches on a hilltop with the modern city spread below. With a prestigious university, the city has a lively student population, good shopping, fun bars and great restaurants. If that weren't enough, Perugia is the setting for one of Europe’s best jazz festivals: Umbria Jazz.

For over two billion people worldwide, Mecca is the holiest site, revered as the birthplace of Prophet Muhammad and the city where the Quran was revealed. Because of its profound religious significance, millions of Hajj pilgrims journey here every year from all corners of the globe, making Mecca one of the most culturally and ethnically diverse cities in the Muslim world — a true melting pot of peoples and cultures. Remember that this holiest of cities, known as Makkah, is only accessible to Muslims.