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.

Located in the heart of Oklahoma, Tulsa offers much for the prospective traveler. Visit its many amusement parks, the zoo, and museums such as the Tulsa Air and Space Center, Mac's Antique Car Museum, Oklahoma Jazz Hall of Fame and the Harmon Science Center.

Berlin has an undeniable history. The horrors of World War II, division, reunification, revolution all profoundly impacted the city in the 20th century. Today, visitors will find a sophisticated, high-energy city with endless cultural, architectural and gastronomic attractions.

The state of Campeche, located on the western edge of the Yucatán Peninsula, is a hidden gem waiting to be discovered by adventurous travelers. Rich in history, culture, and natural beauty, Campeche offers a unique blend of colonial charm and ancient Maya heritage. The state capital, also named Campeche, is a UNESCO World Heritage Site, renowned for its well-preserved Baroque architecture and colorful, pastel-hued buildings.

Charming Copenhagen is the jewel of Denmark and a delightful stop for any traveler. Well-known as an eco-friendly haven for sustainable and green living, Copenhagen has embraced its status as the best “bike city” on earth and promoted the use of bicycles by locals and tourists.