Yes, your eyes are deceiving you. This slope looks like it's going downhill when, actually, it’s going uphill, and uphill when it's actually going downhill. Known as 'Strange Slope', it lies 30km ...

Within the cycling realm, "to Everest" involves riding up and down the same mountain until your ascents total the elevation of Mt. Everest—8,848 meters. After a new cycling "Everesting" record was set ...

Unlike the humans that fight them, wildfires move much faster uphill. On a slope, air rushes in more easily from the downhill than the uphill side. If the slope is sufficiently steep, all of the air ...

There's nothing quite like the adrenaline rush of cresting a mountain in, say, Utah or the Alps, with panoramic views of snow-capped peaks breaking through clouds, then angling your skis straight and ...