Discover the largest and richest ecosystem in the world — North Brazil . Home to a fifth of the world's living creatures, rich in rain forests, birthplace of 20 of the largest rivers on the planet including the 3900 miles long Amazon River . Are you ready for an adventure in North Brazil and the 3.6 million sq km of Amazon? The city of Manaus will serve as a launch pad for your ecological vacation. Enjoy the modern day amenities right in the middle of the Amazonian rainforest. Check out the various shades of green, brown, grey — nature does it with a precision man can't achieve. Visit the Encontro das guas to witness a fascinating scene of the dark-black waters of the Rio Negro meeting the yellow waters of the Rio Solimoes and maintaining their identities for six kilometres! Before venturing into the forest and watching the whole film, check out a trailer. It's the beauty of the famous Victoria Regia, the flower growing in the Amazon River . Check out the Indian tales associated with the flower, or use your fishing skills and catch the abundant piranha in the river. And if you are lucky, you could meet the pink dolphin that is native to the region.