Per the National Geographic - the more adventurous Mountain Club members might like to put these on their bucket lists:
Sure, the journey is the destination for some, but these hikes will take you to places where you can see the planet in all its wild glory. Volcanic craters, high exposure, weird formations—if you like your environment extreme, these walks are certain to get your blood pumping.
If you’re a tad timid, don’t worry. These 10 hikes won’t push you to your physical limit, but they will nudge you beyond your comfort zone. They all include spectacular views of unique, wild landscapes that you can soak up along the way.
By Doug Schnitzspahn. Full story here