Dover is a coastal town in England’s southeastern county of Kent. It’s a major port for ferries to Calais, in France. Built to repel invasions from across the English Channel, medieval Dover Castle overlooks the town and houses the extensive Secret Wartime Tunnels.

Saint-Malo is a port city in Brittany, in France's northwest. Tall granite walls surround the old town, which was once a stronghold for privateers (pirates approved by the king). The Saint-Malo Cathedral, in the center of the old town, is built in Romanesque and Gothic styles and features stained-glass windows depicting city history.

Brest is a port city in Brittany, in northwestern France, bisected by the Penfeld river. It’s known for its rich maritime history and naval base. At the mouth of the Penfeld, overlooking the harbor, is the National Navy Museum, housed in the medieval Château de Brest. Across the river stands Tour Tanguy, a medieval tower. To the northeast are the National Botanical Conservatory and the Océanopolis aquarium.

Santander is the capital city of the Cantabria region on Spain’s north coast. The Palacio de la Magdalena, once the royal summer residence, lies at the mouth of the Bay of Santander on the rocky La Magdalena Peninsula. West, the city center is home to the Catedral de Santander, with its octagonal cupola and Gothic cloister.

A Coruña is a port city on a promontory in the Galicia region of northwest Spain. It’s known for its Roman lighthouse, the Tower of Hercules, which has sweeping coastal views. In the medieval old town is the arcaded Plaza de María Pita, surrounded by narrow pedestrianized lanes. In this square is the Estatua de María Pita, a statue of a 16th-century woman who warned the town of an invasion by Sir Francis Drake.

Vigo is a city on Spain’s northwest coast. The mouth of the nearby Vigo Estuary is sheltered by the Cíes Islands, which form part of the Atlantic Islands National Park. The Cíes are known for their rich birdlife and crescent-shaped Rodas Beach. The city’s old quarter is home to the neoclassical Church of Santa María. The Castro de Vigo archaeological site has reconstructed ancient dwellings.

The Port of Leixões is one of Portugal's major seaports, located 4 km north of the mouth of the Douro River, in Matosinhos municipality, near the city of Porto. Leixões Sport Club, commonly known simply as Leixões, is Matosinhos' sports club.

The Isles of Scilly are an archipelago off the Cornish coast, in southwest England. The islands are covered in heathland, and fringed by sandy beaches such as Great Bay on St. Martin’s. On Tresco, one of the 5 inhabited islands, Tresco Abbey Garden is home to subtropical plants and also the Valhalla Museum, displaying shipwrecked figureheads. The tower of 17th-century Cromwell’s Castle stands at the north of Tresco.

Dover is a coastal town in England’s southeastern county of Kent. It’s a major port for ferries to Calais, in France. Built to repel invasions from across the English Channel, medieval Dover Castle overlooks the town and houses the extensive Secret Wartime Tunnels.