One of only three royal palaces in the entire United States, this former residence dates back to 1838, and once served as King David Kalakaua's summer palace. The elegant gardens, the vintage koa furniture, the Hawaiian quilts, and the whole of the decor are a page out of Hawaiian history.

The historic Saigon Central Post Office, which has long been one of the city's symbols, continues to offer postal services such as mailing and money exchange to-date. One interesting fact about the Post Office is that it was designed and constructed by the renowned French architect Alexandre Gustave Eiffel, who is best known for the eponymous Eiffel Tower. Eiffel derived artistic inspiration from Western neoclassical architecture and Asian decor styles before harmoniously fusing them during the construction of the Central Post Office.

This fascinating archaeological site is worth checking out not only for its historical value but also for the majestic view it offers over Naples Bay. The villa, complete with an amphitheatre and thermal baths, was built by Roman knight Publio Vedio Pollione, and its name means 'stress relief'. The place is also known for its cave, which is more than 700 metres deep into the hillside.

What better way to enjoy water sports than in the warm, crystal-clear turquoise waters of Cancún? Whether you choose to go swimming, sailing, kayaking, windsurfing, kite sailing, jet-skiing, parasailing, diving, or snorkeling along the second-largest reef in the world, you'll not be disappointed. Maybe you prefer to stay on the surface and experience the thrill of deep-sea fishing or just relax on a sunset cruise — there is literally no water sport imaginable that you won’t find here. Aspiring and advanced divers should not miss a dive in the famous diving paradise of Cozumel. Another must is the popular jungle tour through the nature reserve of the Nichupte Lagoon where you can be a captain of your own boat.