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.

Dambulla, situated in the Central Province of Sri Lanka, is best known for its rock temple complex that has been in use for over two thousand years. The Dambulla Cave Temple, also called the Golden Temple of Dambulla, is made up of five caves carved into a granite outcrop, filled with over 150 Buddha statues and intricate wall paintings. These caves were first used by King Valagamba in the 1st century BCE as a refuge during exile, and later transformed into a sacred site.

Perched on the northern shore of Lake Geneva, Lausanne is a city that blends centuries of history with a strong cultural identity. It served as a Roman military camp called Lousanna before evolving into a key medieval settlement. Today, visitors can still climb the tower of Lausanne Cathedral, widely regarded as the most impressive Gothic structure in Switzerland. From the top, the view stretches over the rooftops of the Old Town to the vineyards of Lavaux and across the lake to the French Alps.

Kanchanaburi, a province in western Thailand, is best known for its poignant history and lush landscapes. It was here that Allied prisoners of war and Asian laborers were forced to build the infamous Death Railway during World War II, including the Bridge over the River Kwai, which remains a powerful symbol of resilience.

Recife spreads across a low-lying coastline in northeastern Brazil, shaped by rivers, bridges, and a long history of Atlantic exchange. Founded by the Portuguese and later occupied by the Dutch in the 17th century, the city carries layered influences visible in its street layout, fortifications, and religious buildings.