Over 9,000 feet up on the top of Mount Roraima is a twenty-five mile square plateau, at the point where Guyana's border meets Venezuela and Brazil. In 1973, Sco

The first people in the New World were few, their encampments fleeting. On a side of the planet no human had ever seen, different groups arrived from different

The incredible bestselling book from the author of No Barriers and The Adversity Advantage Erik Weihenmayer was born with retinoscheses, a degenerative eye diso

An award-winning author and veteran mountain climber takes us deep into the Southwest backcountry to uncover secrets of its ancient inhabitants. In this thrilli