Afar Depression, Ethiopia, Africa - sulfur and algae turn hot springs into pools of living color. The water is condensation from hot gases rising from magma chambers. As the water evaporates, salts and minerals form a vivid crust.
This is College de Valleyfield in Quebec, Canada but it doesn’t look like the picture you see above. The image was modified by Frederic St-Arnaud, combining two pictures: one with the college, and another one with a waterfall crossed by a bridge.