Not sure if anybody's pointed this out yet, but I was watching the Making of Love song and Last angel and I noticed that the Royal Diner that's featured is also the same one that Booth and Brennan go to in Bones! It's also been in How I Met Your Mother. Apparently it's not a real diner though and is just part of a fake set on the Fox backlot. The Bones one is based in DC.
From Bones, episode 3x17 (though they go there all the time):
From How I Met Your Mother, episode 3x06:
Pretty awesome, ne? ^^