Khartoum, the capital of Sudan, sits where the Blue and White Nile rivers meet, creating a unique landscape of waterways, islands, and riverbanks.

Set along the Seine, Caudebec-en-Caux is notable for its dramatic Notre-Dame church and Maison des Templier (The Templars' House).

Bolzano, nestled in the Italian Alps, offers a unique blend of Italian charm and Austrian influence. This picturesque city is a gateway to the Dolomites, a UNESCO World Heritage site known for its dramatic mountain peaks and scenic beauty. Visitors can explore the stunning medieval architecture of the Bolzano Cathedral, with its intricate Gothic details and colorful tiled roof.

If you find yourself in Rotterdam, there's a strong chance you've arrived by water. This popular port city (the second largest in the Netherlands) has gone through an architectural renaissance since World War II, with daring, innovative structures dotting the city (cube houses!) and defining its skyline. Café culture is on the rise here, so grab yourself a table and a cup.

Aalborg is the fourth largest city in Denmark and constitutes a natural center for the North Jutland region. In addition Aalborg is Denmark's largest conference center, outside Copenhagen. Aalborg has many cultural attractions which appeal to a wide variety of tastes; a varied night-life and more than 300 restaurants, bars and clubs.