The Orange River is the longest river in South Africa and one of the defining natural features of southern Africa.

Hammerfest, located above the Arctic Circle in northern Norway, is one of the northernmost towns in the world with a population of over 10,000. It’s a place where the midnight sun shines from mid-May to late July, and the polar night sets in from late November to mid-January. Historically a hub for Arctic hunting and fishing, Hammerfest was also the first town in Northern Europe to install electric streetlights in 1891.

One of the most beautiful islands in the Sea of Cortez, with deeply indented shorelines and dramatically eroded cliff faces.

The Darvaza Gas Crater, famously nicknamed the “Door to Hell,” is one of Turkmenistan’s most extraordinary landmarks. Located deep in the Karakum Desert, this fiery pit has been burning continuously since the early 1970s, when Soviet engineers reportedly set fire to a collapsed natural gas field to prevent the spread of methane.

Medan is the capital of north Sumatra and the third largest city in Indonesia. It is a huge, sprawling city and a popular entry/exit point for travellers. The solid Dutch buildings of the affluent older suburbs inspire images of bloated bureaucrats and burghers from the colonial era, while jerry-built lean-tos house the bulk of its population.