Aarhus, Denmark's second-largest city, offers a captivating blend of historical charm and modern vibrancy. Founded in the 8th century, Aarhus boasts a rich history that visitors can explore at the Old Town Museum, an open-air museum that recreates Danish life through the ages with its historical buildings and interactive exhibits. The city's medieval roots are also visible in the well-preserved Aarhus Cathedral.

The Gulf of Oman is a region of diverse landscapes and rich history. Stretching between the coasts of Oman, the United Arab Emirates, and Iran, this gulf is lined with stunning shorelines, port cities, and hidden natural gems.

Chile is one of the longest countries in the world, with more than 6,000 miles of coastline; it contains countless beaches for trout fishing, watersports and sunbathing. Cruise ships traveling around South America dock at its many ports, and one can't help but become enveloped in the festive Latin American culture.

El Salvador, small and densely populated, is a republic in northeastern Central America. San Salvador is the capital and largest city. El Salvador consists of a central plateau with river valleys and is situated between two volcanic mountain ranges that run east to west. High, rugged mountains are found in the extreme northwest.

Doubtful Fjord (Doubtful Sound) is a large fjord in southwestern New Zealand, in the same region as the smaller but better known Milford Sound. It is home to an unusually large population of bottlenose dolphins, as well as a variety of birds, fur seals, penguins, and often even humpback whales.