The weather outside is frightful, but I want to avoid the usual internet distractions.
One of the items was Wilderness Land a map of links generated from a google spreadsheet which leads to many rabbit hole sites.
Here are a few:
Featured image: Image from page 130 of “The Canadian field-naturalist” (19… | Flickr found via a search for Public Domain photos and the word Serendipity.
Another favourite source of daily serendipity is the dailywebthing daily pointers.