The vast, diverse continents of North and South America are a first-class cultural destination — one where travellers can explore the colourful, colonial-era streets of Havana in Cuba, trace the ...

When the Isthmus of Panama connected North and South America, two independent dynasties of horses, rhinos, elephants, shrews, weasels, cats and dogs were free to mingle, fight, dominate or die.

The Isthmus of Panama connected North and South America sometime between 23 million and 3 million years ago. (Image credit: zbruch) Aside from supercontinent formations, ...