You may know that https://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
30 December 2014 - sunset_star
15 December 2014 - damn truths
18 November 2014 - Bart Arondson
10 October 2014 - Jorge Córdoba
30 August 2014 - Russell McMahon
02 July 2014 - Giammarco Boscaro
Tramonto a Rialto - Giammarco Boscaro http://farm4.staticflickr.com/3746/12754344205_69d294f7cf_n.jpg
10 June 2014 - Hermann Klecker
18 February 2014 - crimson_penguin
04 February 2014 - IconicPhotos.co.uk