On Cook Strait sits Wellington, New Zealand's charming windy city. Must-sees here include the waterfront, the lovely beaches, and the Wellington Cable Car that takes riders to botanical gardens. For cultural exposure, visit The Museum of New Zealand Te Papa Tongarewa, with its Maori national treasures and art gallery. Wellington Zoo is another key attraction, and features Tahi, a one-legged kiwi, as its mascot.

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.

Niagara Falls, Canada, is a destination that captures the imagination with its breathtaking natural beauty and vibrant atmosphere. Straddling the border between Canada and the United States, Niagara Falls is a world-renowned wonder that consists of three powerful waterfalls: the Horseshoe Falls, the American Falls, and the Bridal Veil Falls. The Canadian side is famous for offering the most spectacular views of these cascading waters.

Southeast Spain's seaport of Cartagena is a large naval base on the Mediterranean coast. The city was founded in 220 B.C. and boasts Roman ruins, mosaics and murals.

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.