Like giant breakers in the ocean surf, magnificent cloud waves in the sky crested and crashed above Virginia’s Smith Mountain Lake on Tuesday evening. These rare clouds, known as Kelvin ...

Take a flight of discovery high above the breathtaking views from Himmelbjerget, Denmark’s 'Sky Mountain,' with this captivating drone footage. Soar over rolling hills, serene lakes, and dense ...

The mountain cited plentiful early-season snow as the reason for opening Blue Sky Basin on Dec. 19. “We opened Blue Sky three weeks ahead of schedule thanks to early season snow, but with persistent ...

Circumzenithal arcs look like upside-down rainbows wrapping around an imaginary point straight above. That brings ... captured a stunner of a sky atop Cannon Mountain while skiing.

This is all thanks to the park's amazing "Highway To The Sky" or Trail ... from other scenic mountain drives. Beginning from "lower" elevations (which are still quite high above sea level compared ...

In December 2016 Poland’s Dariusz Sokołowski repeated A Line Above The Sky, one of the most difficult drytooling ... of the main players in the Polish climbing scene, both on long mountain climbs and ...

This was the surreal scene Saturday morning above Cannon Mountain in Franconia ... Design Bureau both captured a stunner of a sky atop Cannon Mountain while skiing.

Mysterious blue flashes were seen in the sky above Agadir as the earthquake struck. More PHILIPPE LOPEZ/AFP via Getty Images Much of the destruction has occurred in hard-to-reach mountain areas ...

Often described as a "forest in the sky," its otherworldly landscapes ... The most famous of these peaks, the Hallelujah Mountain, served as inspiration for James Cameron’s Avatar, enhancing ...