Happy Holidays everyone!
Icebound waterfalls can make magnificent photo opportunities. I have yet to get a photo of Gullfoss in that condition, but some years ago I was lucky enough to capture some icy shots of Öxarárfoss, the waterfall in the river that flows into the Almannagjá rift in Þingvellir. As you can see, it was completely covered over with ice:
The river was still flowing underneath the ice, and as a matter of fact the people in the photo were standing right on top of it:
Some of the "sculptures" were amazing:
There were several foreign tourists there and all were excited to see and take photos of the phenomenon: