Riga, the vibrant capital of Latvia, offers a captivating blend of medieval charm and contemporary energy. Founded in 1201, Riga’s Old Town, a UNESCO World Heritage Site, is a treasure trove of stunning architecture and historical landmarks. Wander through its cobblestone streets to admire the intricately carved facades of buildings like the House of the Blackheads, a striking 14th-century guildhall that epitomizes Riga's rich merchant history.

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.

Farther from a continental landfall than any other group of islands on earth, the twelve Marquesas jut out of the open Pacific just south of the equator, shrouded in a constant cloud cover.

The Volga River is an emblematic waterway that meanders through the heart of Russia, offering an exceptional journey through the country’s rich cultural and historical tapestry. As Europe’s longest river, stretching approximately 3,530 kilometers (2,194 miles), the Volga flows from the Valdai Hills to the Caspian Sea, weaving through major cities such as Tver, Nizhny Novgorod, and Volgograd.

The Irish Republic's second largest city is a surprisingly appealing place - you'll find time passes effortlessly during the day, and by night the pub scene is lively. The town center is uniquely situated on an island between two channels of the Lee River.