The mountains are a treasure to observe already, but if you can also find an actual treasure while hiking as a bonus? A French mountaineer who climbed the Mont Blanc stumbled upon a metal box packed to the brim with precious jewels worth about $250,000. This isn't the first time that the Alps have given up some of their secrets, though. One year prior, two climbers found a bag of diplomatic mail from the same plane that had carried the precious jewels. What other secrets can you find in the mountain ranges?

Learn more about your ad choices. Visit megaphone.fm/adchoices