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.

At more than 7,000 feet above sea level in the Andes Mountains, this symbol of the Incan Empire was designated a UNESCO World Heritage Site in 1983 and was named one of the New Seven Wonders of the World in 2007.

Monterey, California, is a coastal gem with a rich maritime history and stunning natural beauty. Located on the rugged Pacific coastline, this charming city is renowned for its world-class aquarium, the Monterey Bay Aquarium, which offers visitors a chance to explore the vibrant marine life of the region. Monterey's historic Cannery Row, once the center of the sardine-packing industry, has been transformed into a lively waterfront area brimming with shops, restaurants, and cultural attractions.

Russia attracts thousands of tourists each year who have a taste for cathedrals and monasteries, fine art, theater, museums, and the Russian culture in general.

Londonderry, often called Derry, is a city steeped in history and charm, uniquely surrounded by remarkably well-preserved 17th-century walls. In fact, it holds the title of being the only completely walled city in all of Ireland. Strolling along these ancient ramparts offers visitors not only a glimpse into the past but also breathtaking panoramic views of the winding River Foyle and the lively streets below.