Alex Shoumatoff

In the '70s, Florida-style golf communities started to be built for America's baby-boomers who were doing well and taking up the game but couldn't get into exclusive golf and tennis clubs and were looking for a nice place to live and raise their families.

Most of the Amazon basin is as flat as a pancake and laced with extravagantly meandering waterways. One school of thought holds that more than 145 million years ago, when Africa and South America were joined, the Amazon's main stem was connected to the Niger River and actually flowed in the opposite direction, toward the Pacific Ocean.