Houston, Texas, the fourth-largest city in the United States, is a vibrant metropolis brimming with culture, diversity, and innovation. A hub for arts, science, and cuisine, Houston is a place where Southern charm meets cosmopolitan flair. Beyond its cultural and scientific draws, Houston’s culinary scene is a melting pot of flavors. From food trucks to fine dining, the city is celebrated for its diverse offerings that reflect its multicultural population.

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.

Písek, a picturesque city in the South Bohemian Region of the Czech Republic, is a hidden gem steeped in history and charm. One of its most notable landmarks is the Písek Stone Bridge, the oldest preserved bridge in the country. Built in the 13th century, this Gothic bridge spans the Otava River and is a testament to medieval engineering.

La Rochelle sits on France’s Atlantic coast, shaped by centuries of maritime trade, independence, and outward-looking ambition.

Nairobi, the capital of Kenya, is a vibrant city where modern energy meets untamed nature. Known as the “Green City in the Sun,” it blends bustling urban life with remarkable wildlife experiences.