HTTPS://MAPS.GOOGLE.COM/MAPS?CID=2158902631779429827 - AN OVERVIEW

Very easily develop lists of locations you want to go, and insert notes on the places you’ve saved. You could preserve these lists non-public, share them with near friends, or share them publicly. It's also possible to browse by way of lists created by publishers, Regional Guides or GoogleHi Norma, we just rolled out a couple of updates to Google