Ontario is Canada's most densely populated province, harboring such cosmopolitan cities as Toronto and Ottawa. Millions of tourists come into Ontario every year, and industry and farming are the chief industries along the Great Lakes.

Djerba, an enchanting island off the southern coast of Tunisia, is a world of sun, sea, and history. Known as the "Island of a Hundred Mosques," Djerba’s skyline is dotted with minarets rising from whitewashed villages. The town of Houmt Souk, the island’s vibrant capital, is a delightful introduction to Djerba’s blend of cultures and traditions.

Traditionally regarded as the highest navigable body of water in the world (in reality there are higher lakes in Chile and Peru), Lake Titicaca is immense: its dimensions measure 233km from north-west to south-east and 97km from north-east to south-west. The lake has an indented shoreline, 36 islands and exceptionally clear sapphire-blue water.

Norway is located in northern Europe, occupying the western and northern portions of the Scandinavian Peninsula. The country's name, meaning "northern way," reflects its importance in linking the many small fjord and valley communities that are separated by rugged mountains.

Ulm, Germany, a picturesque city on the banks of the Danube River, offers a rich tapestry of history and modern charm. Dominating its skyline is the Ulm Minster, home to the tallest church steeple in the world at 161.5 meters (530 feet). This Gothic masterpiece invites visitors to climb its 768 steps for a breathtaking panoramic view of the city and the surrounding countryside.