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.

Etosha National Park, located in northern Namibia, is a jewel of African wildlife and a must-visit for safari enthusiasts. The park is dominated by the expansive Etosha Pan, a massive salt flat that shimmers under the sun and becomes a magnet for wildlife, especially during the dry season. Visitors can expect to see large herds of elephants, zebras, giraffes, and, with a bit of luck, the elusive black rhino.

Located in the Gulf of St. Lawrence in southeastern Canada, Prince Edward Island has been nicknamed "The Garden of the Gulf." It was founded in 1534 by French Explorer Jacques Cartier and is primarily a fishing center and summer tourist destination.

Astoria, Oregon is the state's oldest city. Located on the Columbia River near the Pacific Ocean, Astoria is rich in history, including fishing, canning and the Lewis and Clark Expedition.

Seven miles outside of historic Athens, the Greek coastal city of Piraeus lies upon the sparkling waters of the Aegean Sea and is the largest passenger port in Europe, servicing nearly 20 million passengers per year.