From the rugged highlands and volcanic plateaus to the lowland deserts and the Great Rift Valley, Ethiopia's terrain is as varied as it is dramatic.

Warsaw stands as one of Europe’s most resilient cities, having rebuilt itself almost entirely after World War II. The Old Town, meticulously reconstructed using paintings by Italian artist Bernardo Bellotto, feels centuries old but is, in fact, less than a hundred years in its current form. Behind the medieval facades lie stories of uprisings, resistance, and quiet defiance. Visitors walking through Castle Square can enter the Royal Castle, where Poland’s Constitution of May 3, 1791 was adopted.

Nigeria, located in West Africa, is a country known for its diversity in culture, language, and landscapes. It is home to over 200 million people, making it the most populous country in Africa.

Freiburg was founded by the Dukes of Zähringen in 1120, and the layout of streets and squares of the rapidly prospering metropolis is still impressively reflected in today's cityscape.

Luxembourg City, the capital of the Grand Duchy of Luxembourg, is a stunning blend of medieval charm and modern sophistication. Perched atop dramatic cliffs and surrounded by deep gorges, this city offers a unique and breathtaking landscape. The UNESCO-listed Old Town is an essential starting point for visitors, with its ancient fortifications, narrow cobblestone streets, and grand squares.