Potsdam, the capital of Germany’s Brandenburg state, lies just southwest of Berlin and is best known for its grand palaces, landscaped gardens, and role as a seat of Prussian royalty.

The capital of Crete, Heraklion is a Greek port city and a popular stop on Mediterranean and Greek cruises. The city is an historical marvel, replete with archaeological wonders and remnants of the region's past. Highlights include the Heraklion Archaeological Museum, the Rocca a Mare Fortress, the Venetian Loggia, and just past the city limits, the Palace of Knossos.

St. Kitts and Nevis is a West Indies island country and the Western Hemisphere's smallest sovereign state.

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.

Arikok National Park, covering nearly 20% of Aruba, is a striking showcase of the island’s rugged landscapes, cultural history, and biodiversity. Unlike the postcard image of Aruba’s white-sand beaches, Arikok reveals a wilder side, with windswept hills, desert-like terrain, and dramatic limestone cliffs meeting the sea.