Google seems to be testing a new version of their hotel finder search. Now when you click on nearby hotels after doing a search for a hotel + city combination, you may see this new interface.
Brad Brewer caught a glimpse of the new interface and posted a video of it on Google+.
Here are before and after pictures:
Here is a video embed from the Google+ post:
Google is constantly testing new interfaces around these new and even older search features.
Forum discussion at Google+.