Warnemunde (or Warnemünde) is a port city in Germany and a frequent stop on many Northern European cruises. Across the Baltic Sea from Denmark's capital, Copenhagen, this charming seaside city has a number of delightful attractions, including the Warnemünde Lighthouse, a variety of local shops along the marina, and surfing lessons on the beach.

Lucca, a Tuscan city surrounded by remarkably intact Renaissance walls, offers more than just postcard views. Known for its quiet streets and grand piazzas, Lucca stands apart with its circular street layout, still following the lines of a Roman amphitheater from centuries ago. The walls, now repurposed as a 4-kilometer tree-lined park, are a favorite route for locals and visitors who explore them on foot or by bike, passing old bastions and panoramic viewpoints along the way.

Pamplona, the capital of Spain’s Navarre region, is best known worldwide for the Running of the Bulls during the San Fermín festival each July. But beyond the brief rush of that event lies a city steeped in medieval history, Basque influence, and a slower pace that surprises many visitors. One of the most significant aspects of Pamplona is its place on the Camino de Santiago, the ancient pilgrimage route to Santiago de Compostela.

Burgos, located in northern Spain, is a city where medieval heritage is still part of daily life. At its heart stands the Burgos Cathedral, a UNESCO World Heritage Site and one of the most striking examples of Gothic architecture in Europe. Construction began in 1221 and continued for over 300 years, resulting in a cathedral that features elaborate spires, stained glass, and the tomb of El Cid, Spain’s legendary military leader.

The Iron Gates, a dramatic gorge along the Danube River, is a spectacular natural wonder straddling the border between Romania and Serbia. This striking geological formation carves its way through the Carpathian Mountains, creating breathtaking views that captivate all who visit.