Situated near the Dead Sea, Amman is the capital of Jordan and a cultural and historical hub in the Middle East. Explore this sprawling city, replete with historic landmarks, museums, and mosques, and you’ll soon be enraptured by its blend of metropolitan and ancient beauty.

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.

Coursing through 10 countries, the Danube is the second-longest river in Europe. This waterway, lined with fortresses and castles, rises in Germany's Black Forest and runs for 1,770 miles to the Black Sea. The Danube is an essential commercial thoroughfare for central and southeastern Europe, and several river cruise companies sail vessels on it year-round. Destinations along this river include Vienna, Budapest, Passau and Bratislava.

Ireland, often referred to as the Emerald Isle, enchants visitors with its lush green landscapes, scenic coastlines, and a history that stretches back thousands of years. From the vibrant streets of Dublin to the quiet charm of its small villages, Ireland offers something for every traveler. Its warm hospitality, known as "the craic," ensures visitors feel welcome as they explore this unique island nation.

Vancouver is a city in southwestern Washington located along the north bank of the Columbia River, directly across from Portland, Oregon. It is one of the oldest continuously inhabited areas in the Pacific Northwest and serves as the county seat of Clark County.