Frozen Methane Bubbles
I might be channeling my inner child here, but this picture looks like something I would have ripped out of my bed-time storybook. However, this is a photograph of a frozen lake in Canada that contains methane bubbles that remained in frozen bubbles.
Source: Reddit
Over the months, visits to these gaseous captives (gas trapped in bubbles) at Abraham Lake have left photographers speechless, scattering mementos of their encounters all over the web. Unfortunately, this sighting can be viewed occasionally.