This historic colonial town, just a short trip away from thunderous Victoria Falls, thrums with adrenaline and old-world charm. Once Northern Rhodesia’s capital, today the town serves as a crossroads of southern Africa, where Zambia, Zimbabwe and Botswana meet. At sunset, the Zambezi’s waters turn golden as safari boats glide past hippos, while craft markets overflow with vibrant textiles and carvings. Whether you come for the falls’ deafening roar or the town’s laid-back charm, Livingstone delivers Africa at its most spectacular.

Limerick, located on the banks of the River Shannon, holds the distinction of being Ireland's first-ever City of Culture. The city, famously remembered as the setting for Frank McCourt's "Angela's Ashes", boasts a dynamic blend of art galleries amidst its charmingly decrepit Georgian architecture. Known for its strong rugby culture, Limerick also has a thriving street art community, a bustling festival calendar, and the Milk Market that serves as a hub for food lovers.

South African Durban, known as eThekwini in Zulu, has to be one of the continent's most appealing cities, especially after the 2010 World Cup breathed new life into the area by revamping the waterfront; the splendid Moses Mabhida Stadium remains one of Durban's primary attractions to date. Durban moves to the beat of gqom, its own home-grown music genre, which is slowly making its way onto global charts from South Africa's sunny, tropical melting pot of eclectic cultural influences.

Impressive architecture and hip restaurants meet a sunny Spanish climate and beautiful beaches. This has transformed Barcelona, in just a few decades, from a rough port city into one of Europe's — if not the world's — premier destinations. Stroll along La Rambla and Passeig de Gràcia, admire Gaudí's masterpieces, lose yourself in the Gothic Quarter, bask in the sun at Barceloneta beach, and discover some of the city's vibrant late-night haunts while you're at it.