Whenever the new clock icon appears in the upper left-hand portion of the Street View image,
strike it with a bolt of lightning click it with your mouse to travel back in time and see that same location over the past seven years in 360° immersive views.
Among the countless number of historical locations one can visit remotely, virtual time travelers can now go back in time to visit several popular Back to the Future filming locations, including Twin Pines/Lone Pine Mall, the railroad crossing where the DeLorean was destroyed, and Hill Valley High School.
There's no need to travel 88 mph in the DeLorean: You can now use Google Maps to virtually explore Hill Valley as it stands today — and, as it once was.
Happy time traveling!