Stashed in: One does not simply..., Yeah science!, Best Videos
This video answers so many questions so fast I'm going to have to watch it again.
The artist who made this video has a lot more on his other channel: This Place.
Mandatory viewing: How does do science?
700+ Reddit comments:
The Green Dragon in Bywater. A real and operating pub.
Peter Jackson's cameos in The Lord of the Rings trilogy
Hobbit Dollhouse Photo Album.
How Many Friends Can Your Brain Handle? - Scientific American