Olympia, the capital of Washington State, is a vibrant city situated at the southern tip of Puget Sound. Known for its scenic waterfront, thriving arts community, and political significance, Olympia offers a unique blend of natural beauty and urban culture.

Leiden or Leyden, city in the western Netherlands, in Zuid-Holland (South Holland) Province, on the Old Rhine River, near The Hague. Leiden is also the site of the State University of Leiden, one of the oldest and most distinguished universities in Europe. It was the birthplace of several important Dutch painters, including Rembrandt, Jan van Goyen, and Jan Steen. During the 17th century the English settlers who became known as the Pilgrims took refuge in Leiden before leaving for North America.

Set along a gentle curve of the Main River in Bavaria, the town of Miltenberg presents a streetscape that feels carefully preserved rather than rebuilt. Rows of half-timbered houses line a single main street, their wooden beams and painted facades forming one of the most photographed scenes in Germany. The old market square, known as the Schnatterloch, draws attention with its sandstone fountain and tightly packed historic buildings, creating a setting that has remained largely unchanged.

Calais is a port city on France's northern coast, facing the Strait of Dover at the narrowest point of the English Channel. Its location has made it an important link between France and Britain, with ferries and the Channel Tunnel connecting the region to England. The city centre includes broad boulevards, public squares, and historic buildings, while the waterfront extends toward sandy beaches and dunes.

One of the major rivers of the Iberian Peninsula, the Douro in north-central Spain and Portugal just might be the world's most beautiful wine region. Most of the river on the Spanish side isn't navigable, so river cruises generally travel roundtrip from Porto, on the coast of the Atlantic.