Home to the oldest university in the English-speaking world (and the second-oldest in continuous operation on the planet), Oxford is more than a celebrated microcosm of academic scholarship: there's the splendid architecture, hefty literary heritage, and plenty more to fill an eventful few days.

Panama City is an engaging and mysterious metropolis, a multifaceted place born out of constant cultural exchanges and, at times, conflicts. A city hanging in the balance: between South and North America, tradition and innovation, luxury and poverty, overlooked by the steel of skyscrapers and surrounded by sandy beaches and green forests. Enjoy cosmopolitan Panama, wander through handicraft markets, large malls, local restaurants, and have fun during the vibrant Panamanian nights.

The Elbe River, lakes and canals, the historic Town Hall, the UNESCO World Heritage Site Speicherstadt and Kontorhaus District with Chilehaus, the nightlife on the famous Reeperbahn and the traditional Hamburg fish market shape the image of Hamburg, Germany’s green city on the waterfront. The HafenCity offers modern architecture and the new landmark, the concert hall Elbphilharmonie. In Hamburg — Germany's second biggest city — prestige, elegance and creativity are combined to create an edgy, modern vibe.

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.

It is said that natives of Cologne who are living elsewhere always feel homesick, and visitors to this beautiful city will soon understand why. Germany’s oldest metropolis, which, of course, gave its name to the Eau de Cologne, offers a mix of magnificent and romantic churches, cutting-edge modern architecture, busy shopping streets, and world-famous museums. There is much to do and see in Cologne, and with all the frequent flights and transportation options, getting here has never been easier.