The toads have marched slowly ever since from the Queensland cane fields into New South Wales and the Northern Territory, reaching the country around Darwin, on the north central tip of the continent, only a couple of wet seasons ago.
While Tierra De Patagones heads south, Cradle of Storms visits the opposite tip of the continent, on an adventure to the Aleutian Arc of Alaska; the "birthplace" of the storm systems that pump swells across the Pacific.
A local phenomenon near the southern tip of the continent is species of parrots and other birds more commonly associated with the tropics than with Patagonia.
In Patagonia on the southern tip of the continent, the large ice caps have retreated a 1 km since the early 1990s and 10 km since the late 19th century.
It is at this point that a couple of places in Africa one in the southernmost tip of the continent and one in eastern Congo yield signs of jewellery, art and modern weapons.
Low scrub vegetation and green grass steppe alternate south of Comodoro Rivadavia to the tip of the continent.
One day, the remaining whites of Africa may be clustered only in the Western Cape, in their heavily fortified compounds at the very tip of the continent.
It will run from the southern tip of the continent to the Horn of Africa, connecting South Africa, Mozambique, Madagascar, Tanzania, Kenya, Somalia, Djibouti and Sudan.
At the most south-westerly tip of the continent, you encounter Cape Leeuwin Lighthouse, where two of the world's great oceans, the Southern and the Indian, converge.
From Santiago we flew over the spine of the Andes, crossing glaciers and barren wastes to reach the southernmost tip of the continent.
South Africa Situated at the tip of the continent, South Africa is home to the vast Kruger National Park as well as fertile Winelands and scenic beaches.
