In the following video, Fool contributor Matt Thalman discusses why Treasury bonds may not be as safe as the average investor thinks they are and why something like an S&P 500 (SNPINDEX:^GSPC) index fund, or even a Dow Jones Industrial Average (DJINDICES:^DJI) index fund, is actually a much better investment over the long run.

Fool contributor Matt Thalman and The Motley Fool have no position in any of the stocks mentioned. Try any of our Foolish newsletter services free for 30 days. We Fools don't all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.