Londonderry, often called Derry, is a city steeped in history and charm, uniquely surrounded by remarkably well-preserved 17th-century walls. In fact, it holds the title of being the only completely walled city in all of Ireland. Strolling along these ancient ramparts offers visitors not only a glimpse into the past but also breathtaking panoramic views of the winding River Foyle and the lively streets below.

Havana, Cuba's vibrant capital, is a city where the past and present coalesce to create an unforgettable travel experience. Walking through Old Havana (La Habana Vieja), a UNESCO World Heritage site, feels like stepping back in time. The cobblestone streets are lined with pastel-colored colonial buildings, baroque churches, and iconic plazas, such as Plaza de la Catedral and Plaza Vieja, each with its own unique charm and history.

Tunis' white-washed, blue-shuttered buildings hide a treasure trove of Arabic and Ottoman art. Inspect illuminated manuscripts from the Koran, follow the twists and turns of the fascinating old Medina (inner city), marvel at the ornate Palace of Dar Ben Abduallah and the magnificent Djamaa-Ez-Zitouna Mosque, whose 184 columns were "recycled" from the rocky ruins of Carthage.

San Jose is the capital city of Costa Rica and is located in the province of San Jose, which is in the Central Valley. The city is surrounded by high green mountains. There are numerous museums as well as art galleries, theaters, exhibitions, parks and garden in the city. All regions in Costa Rica are accessible from the capital city of San Jose, which makes its an ideal starting point for touring the country.

Nestled along the Trondheim Fjord in central Norway, Trondheim offers a captivating blend of rich history and vibrant modern life. As Norway’s first capital, Trondheim boasts a legacy that includes the striking Nidaros Cathedral, an iconic landmark whose construction began in the 11th century.