HiPOD: The Niagara Falls of Mars
Various researchers are often pre-occupied with the quest for flowing water on Mars. However, in this image, we see one of many examples from Mars where lava (when it was molten) behaved in a similar fashion to liquid water.
More: https://uahirise.org/hipod/ESP_050406_1585
NASA/JPL-Caltech/UArizona