"When my parents were my age, their parents were dead and they were having fun white-water rafting down the Snake River and here I sit -- two houses down, " said Jones.

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To learn more about this mushrooming world of senior entrepreneurs, I lured the dynamic Elizabeth Isele, co-founder of the non-profit SeniorEntrepreneurshipWorks to sit down with me at the Thornton River Grille in bucolic Sperryville, VA for a breakfast of French toast and coffee on Friday.

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Chickens scratch around under huts that sit on stilts to guard against flooding when the river bursts its banks.

ECONOMIST: The Amazon's indigenous people

And one of the biggest gripes by the local tribes, some federal prosecutors in Para, and international environmental groups like International Rivers and Amazon Watch, has been that the Brazilian government has yet to really sit down and hear the complaints from the people who depend on that river for their livelihood.

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The weather was excellent and it was most pleasurable to sit on deck with a good drink and watch history unfold while leisurely passing castles, churches, deep river gorges and numerous locks along the way.

FORBES: Watching History Unfold: A Cruise Expert Takes His First River Cruise