Straddling the Adriatic Sea where it plunges deepest into Europe, Rijeka boasts a rich maritime history. Croatia's third largest city and the heart of Primorsko-Goranska County, its charm lies in its hospitable spirit and diverse cultural heritage. As you amble along the Habsburg-era Korzo promenade, peek into the 19th-century National Theatre, graced with Klimt's artwork. Soak up the sweeping views of Kvarner Bay's islands from Trsat Castle. A cosmopolitan harbour of coexistence, welcome to Rijeka.

The 2000-year-old imperial city of Aachen, a cosmopolitan hub brimming with historical charm, lies at the nexus of Germany, the Netherlands, and Belgium — a trio inviting exploration. Not only famed as Charlemagne's imperial capital and his final resting place, Aachen is also renowned for its Aachener Printen, a unique type of gingerbread originating from this city.

Marseille is the undiscovered jewel in the crown of France’s Mediterranean coastline. The rocky hills of Provence look down onto the ancient port and the thousands of boats docked in its clear blue waters. Countless artists have been seduced by the sunny climate and the hustle and bustle of the town. France’s second city has all you could ask for — beautiful beaches, ancient buildings, thriving arts, and a dynamic nightlife.

Edinburgh effortlessly balances its weighty history with contemporary energy. The Royal Mile’s weathered cobbles lead past medieval closes and modern whisky bars, while the shopfronts of Princes Street mirror the jagged skyline of the Old Town. By day, you can hike up Arthur’s Seat for panoramas that stretch to the Firth of Forth; by evening, join the animated crowds at the Edinburgh Festival Fringe or browse the shelves of independent bookshops. Scotland's compact, hilly capital is a city where every alley holds a story waiting to be uncovered.