Barcelona is a city on the coast of northeastern Spain. It is the capital and largest city of the autonomous community of Catalonia, as well as the second most populous municipality of Spain. With a population of 1.6 million within city limits,[7] its urban area extends to numerous neighbouring municipalities within the Province of Barcelona and is home to around 4.8 million people,[3] making it the fifth most populous urban area in the European Union after Paris, the Ruhr area, Madrid, and Milan.[3] It is one of the largest metropolises on the Mediterranean Sea, located on the coast between the mouths of the rivers Llobregat and Besòs, and bounded to the west by the Serra de Collserola mountain range, the tallest peak of which is 512 metres

Lisbon is Portugal’s hilly, coastal capital city. From imposing São Jorge Castle, the view encompasses the old city’s pastel-colored buildings, Tagus Estuary and Ponte 25 de Abril suspension bridge. Nearby, the National Azulejo Museum displays 5 centuries of decorative ceramic tiles. Just outside Lisbon is a string of Atlantic beaches, from Cascais to Estoril.

Lisbon is Portugal’s hilly, coastal capital city. From imposing São Jorge Castle, the view encompasses the old city’s pastel-colored buildings, Tagus Estuary and Ponte 25 de Abril suspension bridge. Nearby, the National Azulejo Museum displays 5 centuries of decorative ceramic tiles. Just outside Lisbon is a string of Atlantic beaches, from Cascais to Estoril.

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.

Portsmouth is a port city and naval base on England’s south coast, mostly spread across Portsea Island. It’s known for its maritime heritage and Portsmouth Historic Dockyard. The dockyard is home to the interactive National Museum of the Royal Navy, the wooden warship HMS Victory, where Nelson died in the Battle of Trafalgar, and HMS Warrior 1860. The Tudor ship Mary Rose is also conserved in a dockyard museum.