Sometimes mistakes are interesting.
During a hike of the High Divide (one of the highlights of the Olympic National Park), we camped along the ridge. The view across the Hoh River valley to Mt Olympus was dramatic.
On return, I used the photo for the basis of an art pen image which I then took a photo of to print as a greeting card.
During the process of printing a test card, I put a sheet of photo paper wrong side up in the printer. As a result, the ink ran all over the place. However, the image that resulted had an interesting impressionistic feel to it. Once the ink (eventually) dried, I scanned it.
The original image:
The photo:
Interesting!