According to an ancient Greek philosopher all matter is comprised of four elements: earth, water, fire and air. Here are 52 natural phenomena and formations by element.

This design for street lights in remote locations would use the power of the wind, along with the strength of bamboo, to light the way on dark beaches.

Using HDR, some photographers are able to depict everything from sunlight to firelight, smoke, sunsets, sun rises and light phenomena in unique ways.