Cambridge is a city oozing with history and tradition at every turn. The cityscape is dominated by the university, with its 31 colleges and their extensive green gardens, known as the "Backs", spread throughout the city. Throngs of students making their way to class or lounging by the banks of the River Cam, books in hand, as punters lazily float by, enhance the academic feeling of this centuries-old centre of scholarship, along with the numerous fascinating museums and cultural events that take place in the city.

Santa Clara will forever be remembered as the site of the last battle of the Cuban Revolution, where Ernesto ‘Che’ Guevara led a group of rebels in a mission to derail an armoured train, resulting in the definitive defeat of the Batista regime. And though bullet holes still bear witness to the hardships of the revolution, today, Santa Clara is a youthful and ferociously creative city, whose large student population contributes to the vibrant nightlife and artistic scenes, and a forward-thinking mentality, making it a unique place in Cuba.

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.

Historic pride and natural beauty - Williamsburg seems to have the best of both as millions of travelers visit the city every year for its timeless attractions and verdant landscapes. Colonial buildings, museums, hotels and taverns are favorites of locals and vacationers alike, with Revolutionary reenactments and interpretations spanning the hillsides and battlefields. Take to the waters with Old World schooners, sailing with the Virginian breezes that were once navigated by legendary figures like George Washington and John Smith.

With a skyline dominated by the imposing Špilberk Castle and the soaring twin spires of the Peter and Paul Cathedral, Brno has an attractive and historic city centre. The name, Brno, might sound like a crossword anagram, but the Czech Republic's second-largest city and capital of Moravia is a vibrant, yet traditional place. Brno boasts stunning architecture, great museums, a crypt, a gorgeous lake–just a tram ride away–and an exciting, beer-filled bar scene without heaving crowds.