Because it originates in Hvítárvatn (a lake next to the Langjökull ice cap that's connected to Gullfoss via the Hvítá river), glacial sediment causes the waterfall to appear golden in ...

Horsetail Fall, a seasonal waterfall on the eastern side of El Capitan, only flows in winter and early spring. The Firefall effect happens when: The waterfall has enough water from melting snow.

Contributing editor Jim Richardson is a photojournalist recognized for his explorations of small-town life. His photos appear frequently in National Geographic magazine. Perhaps unlocking one ...