You may know that http://photo.stackexchange.com/ (this site's parent :) has a "Photo of the week" contest.
Here are all the images featured on the homepage from the beginning of the current year in reverse chronological order. Historical archives for previous years, see the archives list at the end.
Hall of Fame
18 July 2016 ʇolɐǝz ǝɥʇ qoq