Browse a gallery of the U.S. Air Force's high-altitude balloon experiments and the researchers, scientists, and test pilots who made them possible.

In Georgia, hikers can venture into the hidden gems of the Upper Svaneti and Imireti-Racha, both renowned for their high-altitude scenery, medieval villages, and welcoming locals — who will help ...

Uttarakhand is experiencing a beautiful yet challenging snowfall, particularly in its high-altitude areas ... This stunning scenery certainly adds to the charm of these locations but also brings ...