Gold will always be there

And if you have the amount of wealth which is big enough to last you for a few decades (say, pension savings), investing in gold should be a must-do thing. If you want to preserve the purchasing power of your assets, gold and inflation protected US Treasury bonds seem to be the obvious choice. Though I wouldn't invest in other precious metals. For example, platinum had been worth a lot more than gold previously but now it is well below the latter. The same pertains to silver, it is close to losing any significance as a precious metal