Photos taken on, in, around and below the ocean. Just like landscapes but with lots of water.
Photographs of sporting events, such as football, soccer, hockey, rugby, racing of all kinds, etc.
Photographs of dance, acting, and other live performances.
Photographs where the primary subject is inanimate, carefully placed to form a unique composition. This category may also include machinery, statues and artwork.
Street photography from all over the world.
Planes, trains, boats and automobiles... and any other transportation method you can think of...such as wagons, hot air balloons or even blimps!
Photographs in which the purpose of chosing the primary subject of your image was designed to illustrate the uniqueness of the locale.