Ask HN: What are some of the best-looking 404 pages?

I really like HN's https://news.ycombinator.com/not-a-real-page

This was mentioned in the What is Code? threads and really stuck with me:

http://www.bloomberg.com/404

I was listening to the .NET rocks podcast today and the guest asked: Why do all 404 pages say 404? Users don't need to know the HTTP status code. I think it's a great point. It does not seem user friendly.

My favourite one is this one: https://www.coverfox.com/404/ It was mentioned on HN some weeks ago (https://news.ycombinator.com/item?id=9811077).

Maybe not the best looking, but definitely a classic: https://github.com/404