The metropolitan center of southeastern France, vibrant Lyon abounds with stunning architectural masterpieces, gastronomic delights, and immersive museums. This spectacular city, founded by the Romans centuries ago, rivals Paris as a cultural and social hub for exploring the best that France has to offer.

The capital city of the Dominican Republic is rich in history and beauty, boasting 16th-century Spanish architecture and the oldest cathedral in the Americas. The narrow streets of the old colonial city are a testament to the complex mixture of forces that contributed to the construction of the first European city in the Western Hemisphere.

Prizren, nestled in the picturesque valley of the Sharr Mountains in Kosovo, is a city where history and culture converge in a remarkably scenic setting. Known for its well-preserved Ottoman architecture, Prizren offers a rich tapestry of historical sites, including the iconic Sinan Pasha Mosque and the ancient Kaljaja Fortress, which overlooks the city from its commanding hilltop.

Cagliari is Sardinia's capital and largest city. Several civilizations have left their imprint here architecturally and culturally. Must-sees include the Museo Archeologico Nazionale di Cagliari, with its Roman and Byzantine treasures, as well as Castello, a medieval quarter situated on a hill above the city. The city is also known for its food and vibrant nightlife.

Evidence of our nation's birth abounds in Boston, a hub of revolution that is essentially the oldest city in the United States. Visitors are compelled to walk the 2.5-mile Freedom Trail around the city center, and bear witness to 16 historical locations related to the history of America.