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.

Yorkshire, known as "God's Own County," is a must-visit destination for those seeking a blend of stunning natural landscapes, rich history, and vibrant culture. The largest county in England, Yorkshire boasts the breathtaking Yorkshire Dales and North York Moors national parks, where rolling green hills, picturesque villages, and dramatic cliffs meet expansive heather moorlands.

Bulgaria is a republic in southeastern Europe. The capital and largest city is Sofiya. Bulgarian culture has been influenced successively by Byzantine, Greek, Russian, and Western cultures.

Luxembourg City, the capital of the Grand Duchy of Luxembourg, is a stunning blend of medieval charm and modern sophistication. Perched atop dramatic cliffs and surrounded by deep gorges, this city offers a unique and breathtaking landscape. The UNESCO-listed Old Town is an essential starting point for visitors, with its ancient fortifications, narrow cobblestone streets, and grand squares.

Ancona, perched on the Adriatic coast of Italy, is a vibrant port city with a rich historical tapestry and stunning seaside vistas. As the capital of the Marche region, Ancona boasts a captivating blend of ancient and modern charm. The city’s historical heart is evident in landmarks like the Roman Arch of Trajan, which stands as a testament to Ancona’s significance during Roman times.