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
10 January 2019
IT'S MINE... - Russell McMahon
Female sparrow telling a male sparrow that she was taking over his bread.
He left. Sigma 70-200mm, f/2.8 + Tamron 2x teleconverter.
More mm needed - birds always need longer lenses :-).
01 January 2019
Eiffel Arch - damned truths
An arch of the Eiffel Tower. Larger: http://500px.com/photo/24448559
Camera: Canon 550D
Lens: Canon 18-55mm f/3.5-5.6 IS
Shutter: 1/160 sec