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.

Located in the western part of the Yukon Territory Province of Canada, this area is on the Yukon River and famous as the gold mining area of the great Gold Rush. It is still an active mining area and also a popular tourist attraction as it has retained much of the look from the gold rush era.

Durban is a big subtropical city in the north-eastern province of KwaZulu/Natal. It has been a major port since the 1850s and is home to the largest concentration of Indian-descended people in the country - Mohandas Gandhi arrived here as an indentured labourer in 1893. Today the city is better known as a holiday-makers' fun parlour with a happening nightlife.

Busselton is a relaxed coastal town in Western Australia, set along the calm, sheltered waters of Geographe Bay.

Indianapolis, known as the Crossroads of America, is more than just a hub for interstates and conventions, it’s a city where speed, sports, and creativity intersect. At the center of it all is Monument Circle, a grand civic plaza anchored by the Soldiers and Sailors Monument, which visitors can climb for panoramic views of the skyline. Just a few blocks away is the Indianapolis Motor Speedway, the largest sporting venue in the world by capacity.