Pennsylvania offers more than just a glimpse into American history, it invites travelers to walk through it. In Philadelphia, the Liberty Bell still draws visitors from around the world, while Independence Hall, a UNESCO World Heritage Site, is where both the Declaration of Independence and the U.S. Constitution were debated and signed. Just a short walk away, modern museums like the National Constitution Center offer hands-on exhibits that connect the past to today’s civic questions.

The dazzling capital of the Czech Republic, the explorable Prague has fittingly been nicknamed "the City of a Hundred Spires." Halved by the Vltava River and notable for architecture Baroque, Renaissance, and Gothic, visitors will find much to take in here.

Kos, an enchanting island in Greece’s Dodecanese archipelago, is a gem steeped in both history and natural beauty. Known as the birthplace of Hippocrates, the father of modern medicine, Kos is home to the ancient Asclepeion, a healing temple where Hippocrates taught his students. Visitors can wander through the well-preserved ruins and enjoy sweeping views over the island and the Aegean Sea.

Buffalo, the second-largest city in New York State, sits at the eastern end of Lake Erie where the Niagara River begins its journey toward Niagara Falls. Once a powerhouse of American industry and trade, Buffalo thrived in the 19th and early 20th centuries as a major shipping and manufacturing hub, thanks to its strategic location along the Erie Canal and Great Lakes.

An island in the Strait of Mackinac where Lake Huron and Lake Michigan meet at the northern tip of the State of Michigan.