Kalmar is a captivating Swedish city, which seamlessly intertwines its rich history with contemporary charm. The iconic Kalmar Castle, a well-preserved Renaissance fortress, stands proudly alongside picturesque cobblestone streets. Museums beckon, markets pulse with life, and waterfronts whisper tales. Kalmar's allure extends beyond its borders, serving as a gateway to the enchanting Öland Island, making this city a delightful destination where history, culture, and natural beauty converge.

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.

Delhi is a thoroughly inscrutable onion of a city: every layer you peel off reveals an even deeper layer of history. Rebuilt eight times by its many conquerors, it has been the seat of the Hindu, Muslim and British empires. All of them have left their mark in the architecture, customs, food and people of this relentless city; all are undergoing a transformation in the capital of modern India.

Edinburgh still breathes the spirit of its past, with its streets running through town like scars of bygone eras. Yet, amidst this tapestry of history, the city gracefully blends ancient heritage with vibrant modernity. Walk the historic Royal Mile, where centuries of stories unfold, explore the bustling Princes Street, and discover the allure of Edinburgh's world-renowned festivals like the Edinburgh Festival Fringe. With remarkable architecture, tranquil green spaces, and a wealth of exciting attractions, it's no wonder this city has ignited the imaginations of countless authors and poets throughout history.

Located on the Mekong River, Ho Chi Minh City is the largest and most exciting city in Vietnam. Its population of nearly 9 million people makes it one of the densest urban areas in the world, and it's still common for several families to share a living space. Travellers will likely be amazed by the vibrant mix of old and new, including war relics from the devastating Vietnam War and well-preserved colonial structures. The vibrant nightlife of Ho Chi Minh makes it stand out from other cities in Vietnam.