There was a time when most of the world, even more than today, was still unknown to many, and there was no greater calling than that of an explorer. A handful of brave and curious adventurers went into the deepest and darkest corners of the world, in hopes of shining a light on these unknown regions. However, this was dangerous work, and many of these individuals never returned.
From a record-breaking mountain climber to an adventurer who was searching for a city that doesn’t exist, the fate of these explorers is still shrouded in mystery. Click on to discover the explorers who roamed the planet and never returned.