We’re adding excerpts from Boston Historical Maps for Charles Cullis Healing Wells sites. Look under references for Charles Cullis or the Cullis links in Boston, Massachusetts under Wells of Revival. This will show the historical site overlaying a current map so you can walk the land that Cullis owned.
There is a terrific site called the David Rumsey Map Collection that overlays historical maps with current maps. Check it out for several historical cities.
http://www.davidrumsey.com