I am a fan of good photography and the one stop place to view the nicest work done by some of the renowned ace photographer of the world is Flickr.com. The website loads in no time and has categorize itself so nicely that each and every photo is readily available as per the category.
There are paid version also but I never used it. This website is always a best medium to share, view and rate the best photograph in the world.
One thing which I do not like about this website is it’s security policy where everything is available for download on right click which must not happen as no one should get anyone’s photo that much easily. Otherwise its a nice website for sharing.