I'll be glad when the dog-lips GIF moves off the page.
It s not in the millions but Hawk Hill just north of the Golden Gate, has about 30,000 raptors from 25 varieties. pass over in a short time every year.
Its advantages are that it is only 100 miles from me and the folks in the area less prone to murder and hostage taking.
https://en.wikipedia.org/wiki/Hawk_Hill_(California)