Londonderry, often called Derry, is a city steeped in history and charm, uniquely surrounded by remarkably well-preserved 17th-century walls. In fact, it holds the title of being the only completely walled city in all of Ireland. Strolling along these ancient ramparts offers visitors not only a glimpse into the past but also breathtaking panoramic views of the winding River Foyle and the lively streets below.

Ancona, perched on the Adriatic coast of Italy, is a vibrant port city with a rich historical tapestry and stunning seaside vistas. As the capital of the Marche region, Ancona boasts a captivating blend of ancient and modern charm. The city’s historical heart is evident in landmarks like the Roman Arch of Trajan, which stands as a testament to Ancona’s significance during Roman times.

Santa Cruz de La Palma is the capital of the island of La Palma, one of the seven Canary Islands. Although often forgotten in favor of the similarly named Santa Cruz de Tenerife, it is a compact and colorful colonial town well worth a visit. Swimming, paragliding, and hiking and some of the most popular daytime activities, while stargazing is a favorite pastime after the sun goes down.

Algiers, Algeria’s capital, is a city where centuries of history unfold along the shores of the Mediterranean. Known as “El Bahdja,” or “The Joyful,” Algiers blends striking buildings, seaside breezes, and layered stories. One of its most iconic landmarks is the Casbah, a UNESCO World Heritage site with maze-like alleyways, Ottoman-era palaces, and hidden terraces overlooking the bay. The Grand Post Office, with its striking facade and intricate neo-Moorish details, anchors the city’s downtown.

Marseilles is an enticing port city known for its delectable seafood, breathtaking views of the Mediterranean, and diverse melting pot of cultures.