Travel, like life, is filled with moments. But capturing that perfect moment in a photograph can be tricky. It's partly being in the right place at the right time, but it's also patience and a keen appreciation for the world around us. From hundreds of vacation pictures from readers who visited places as remote as the Antarctic and as near as the Eastern Shore, our editors have selected the 25 best reader vacation photos of 2012. • Also see: More readers' vacation photos.