It's a Google map but with more bells and whistles, I think it claims.
And the guy who has the main page says the ACME refers to Wily Coyote.
(That is down in the lower right corner where there's a link to "ACME LABS.")
Here is Fall River, to start.
See upper right and try:
map
satellite
hybrid
terrain
topo
doq
nexrad
I couldn't get all of the applications, but I did hover about 60' above MB's roof on French Street with satellite/hybrid!