Jena is surrounded by limestone slopes about 400 m high, botanical and geological features ,amongst which are 40 types of orchids. Jena is also famous for the Optical Museum.

Belfast, the vibrant capital of Northern Ireland, is a city steeped in rich history and brimming with cultural charm. Known for its role in the Industrial Revolution, it was once a major shipbuilding hub, most famously the birthplace of the RMS Titanic. Today, visitors can explore the Titanic Quarter, where the Titanic Belfast museum stands as a modern architectural marvel, offering a fascinating and interactive journey through the ship's history.

Hikone is a city in Shiga Prefecture on the eastern shore of Lake Biwa, Japan's largest lake. Its location combines a historic castle town with lakeside landscapes, wooded hills, and traditional neighborhoods. Hikone Castle, a National Treasure, is the city's best-known landmark and remains surrounded by moats, stone walls, and gardens.

Coimbra, set along the banks of the Mondego River in central Portugal, is a historic city known for its academic legacy and old-world charm. Once the medieval capital of Portugal, it is home to the University of Coimbra, one of the oldest in Europe and a UNESCO World Heritage Site.

The third largest city in Turkey, a cosmopolitan and lively city all year round, during the International Arts Festival (June/July) and the international Fair (August/September), Izmir bursts with an added vibrancy.