Walking through Xi'an is like stepping back in time. The towering ancient city walls, the quiet streets around the Drum and Bell Towers, and the bustling markets all carry a sense of history. You can almost hear the whispers of ancient merchants who walked the Silk Road or feel the presence of emperors who once ruled here. Xi'an is a place where the past and present exist side by side in a way that feels both natural and humbling.

Long known for its old-world charm, from the historic Faneuil Hall to the Freedom Trail that celebrates Boston’s preeminent role in the American Revolution, Boston has come a long way towards staking its claim in the 21st century. With the completion of the “Big Dig” that buried Boston’s vast network of highways underground, Boston has hit the new century running. Attractions span beautiful public libraries, fascinating museums and plenty of sports. Boston is destined to grow ever more beautiful as more and more of the ungainly elevated highways are replaced with lush parks.

Adelaide is a new city in an old land, founded as a British colony in 1836 and now the capital of South Australia. Today, its rich mix of diverse cultures has adopted a relaxed and cosmopolitan lifestyle amidst green parks as well as 30km of beaches stretching along its suburbs. The city is famous for its al fresco eating culture, and it is the centre of the Australian wine industry, with some of the best food and drinks in the world.

Nicknamed 'Village by the Sea,' Carlsbad enjoys seven miles of tidy, serene beaches along the Pacific coastline. This makes it perfect for swimming, sunbathing and surfing, all paired with a mild climate. Furthermore, Carlsbad has three lagoons, a lake, an aquarium, museums and shopping districts. As if that was not enough, the town's proximity to San Diego and Los Angeles provides a multitude of additional options within a short drive.