Ok chances are about 50% of people reading this know how to do it / could do it if they put their minds to it, but I wanted to make a post about it since I discovered it today and its pretty cool!
Here is a gif of how to view the oldest posts in whatever category you desire:
I just found it super awesome that you cans see posts made like 7 years ago that can have as few as 2 views! pretty cool
Personally discovered this which I found amusing since it has more posters then views