Located in the Southern Territory. Coober Pedy is known as the opal capital of the world, with many opal caves.

Ballarat is a regional city in central Victoria, known for its goldfields heritage, grand streetscapes, gardens, and strong arts scene. Located about 90 minutes from Melbourne by road or rail, it combines a historic city centre with lakes, parks, and surrounding rural landscapes. Sturt Street forms the main civic spine, lined with substantial nineteenth-century buildings, shops, cafés, and public spaces.

The capital of Ontario and Canada's largest city, Toronto is a vibrant destination on the banks of Lake Ontario. Highlights of this striking cultural capital include the looming CN Tower (featuring a revolving restaurant), Casa Loma, Toronto Island Park, Royal Ontario Museum, and Ripley's Aquarium of Canada.

Coursing through 10 countries, the Danube is the second-longest river in Europe. This waterway, lined with fortresses and castles, rises in Germany's Black Forest and runs for 1,770 miles to the Black Sea. The Danube is an essential commercial thoroughfare for central and southeastern Europe, and several river cruise companies sail vessels on it year-round. Destinations along this river include Vienna, Budapest, Passau and Bratislava.

Replete with windmills and old-world charm, the village of Kinderdijk lies east of Rotterdam on the Lek River and is a popular stop for European river cruises. Home to the largest concentration of old windmills in the Netherlands, Kinderdijk was designated a UNESCO World Heritage Site in 1997.