Several thousand trekkers a year make the hike across Venezuela's savannah, through rivers, and up a narrow path that scales Mount Roraima's cliff-faces. Photos by Carlos Garcia Rawlins/Reuters ...

Here’s why Roraima should be high on every adventurer’s list. 1. A One-of-a-Kind Landmark Mount Roraima is one of the most recognizable tepuis in the Guayana region.

Like other tepuis, Mount Roraima's summit harbors a "lost world" ecosystem that has been sheltered from the surrounding region for about 70 million to 90 million years, according to a 2012 study.