Iguassu Falls, straddling the border between Brazil and Argentina, is a breathtaking natural wonder that captivates visitors with its sheer scale and beauty. This UNESCO World Heritage Site boasts the largest waterfall system in the world, with nearly 275 individual falls cascading over a rugged landscape.

The second-biggest state in America, Texas is dotted with several appealing cities, including music and food-focused Austin, bustling Houston, arts and culture-rich Dallas-Fort Worth, and San Antonio, where the River Walk is not to be missed.

One of the busiest ports in the Caribbean, Willemstad is the capital city of Curaçao. The city center, brimming with colorful Dutch colonial buildings that nearly touch the water's edge, has been designated a UNESCO World Heritage Site. Venture to this vibrant paradise lined with palm trees, and you'll discover plenty to see and do.

Speyer, located in the Rhineland-Palatinate region of Germany, is a city rich in history and culture. One of its most notable landmarks is the Speyer Cathedral, a UNESCO World Heritage Site and one of the largest Romanesque churches in the world.

Situated on Phewa Lake, Pokhara is the entryway to a popular Himalayan trail called the Annapurna Circuit. A city for adventurers, Pokhara's highlights include Devi's Falls, the International Mountain Museum, Mahendra Cave, and the World Peace Pagoda.