I cannot seem to find out any information about these. (If you know anything please leave a comment so I can update the post.) But I find these watercolor paintings on top of photos quiet wonderful. I've always enjoyed a great mixed media mashup and these fit the bill perfectly.
Update: Thanks to Aaron Baxter for shedding some more information on this work. These works are by an artist named Sarah Anne Johnson. The images were all taken within the Arctic Circle and then watercolor was added later after returning to her place of residence. The entire series is titled "Arctic Wonderland".