From grand castles to resplendent cathedrals, Tallinn’s Old Town neighborhood, a UNESCO World Heritage Site, is the perfect place to begin exploring. Enter through Viru Väravad, or Viru Gate, the former fortress whose remaining two towers beckon you into the heart of the city.

Guernsey, the second-largest of the Channel Islands, blends coastal landscapes with a deep-rooted history shaped by centuries of outside influence. Though located closer to France than to mainland Britain, Guernsey is a British Crown Dependency with its own government and a distinct identity. The capital, St Peter Port, is a hillside town overlooking a natural harbor, where visitors can explore narrow lanes, stone stairways, and 18th-century buildings.

Aarhus, Denmark's second-largest city, offers a captivating blend of historical charm and modern vibrancy. Founded in the 8th century, Aarhus boasts a rich history that visitors can explore at the Old Town Museum, an open-air museum that recreates Danish life through the ages with its historical buildings and interactive exhibits. The city's medieval roots are also visible in the well-preserved Aarhus Cathedral.

The Abaco Islands, part of The Bahamas, stretch across more than 120 cays and islands, offering a laid-back yet adventurous escape. Known for their calm waters and sheltered harbors, the Abacos are often called the sailing capital of The Bahamas, drawing boaters and yachters from around the world.

Located on Ecuador's central coast, Manta is a port city frequented by many South American cruises. Manta is known for its delectable seafood and variety of pleasant beaches.