a little morbid

After his return in "The Empty House" (I didn't mark whether it's in the second one, I'm afraid, but it's present by "The Second Stain", the third episode in The Return of Sherlock Holmes), there's a huge print of the Reichenbach falls illustration from "The Final Problem" hanging over the fireplace at 221b Baker Street:

Great Scott!

Fail, u guys. My sister had to show me this. (Click to see the animation featuring the other two owls)