This is about the closest thing you'll ever get to a time machine. Video and flim production company P3 put together this video that seamlessly blends video of Portland today with photographs as old as 150 years to show how much Portland has changed.

From the original building where Amato's got it's start on India Street to Maine Medical Center's growth, what you see will amaze you.

The work done to get cameras in the exact spot that old photographs were taken a century ago must have been daunting. What shot of Portland then and now surprised you the most? Let us know in the comments below or on our Facebook page.