Costa Rica is the most biodiverse country in the world for its size. It is a great evolutionary melting pot resulting from the migration of animals from North and South America when a great land bridge joined the two continents 3 million years ago.
An amazing array of plants and animals survives in the Namib, the world's oldest desert. They've had fifty million years to evolve cunning ways to cope with the heat and harvest water from the fog that often blankets this unique coastal desert.
India's Western Ghats are a lush, jungle refuge in an otherwise parched landscape. They intercept most of the summer monsoon rain, creating a home for wide range of iconic animals and weird mutants all adapted to make the most of the monsoon rains.