A Big Box Mashup - BigBoxWatch is a blog that "tracks new retail construction of several national retailers within the United States." This blog makes use of a Google Maps mashup as a key part of presenting this information, by geography, throughout the U.S. BigBoxWatch pulls information from newspapers, planning board agendas, and other sources to show new planned locations for Best Buy, Home Depot, Ikea, JCPenney, Kohl's, Lowe's, Target and Wal-Mart stores. As creator Tom Sullivan puts it; "Think of it as a future store locator."
Google My Maps used to plot spread of Georgia wildfires - With wildfires spreading fast in the community of Waycross, Georgia Google user Will Dewitt is pulling information posted to this message board together to build and maintain a Google My Map of specific locations seeing fire related activity. If you jump ahead to the 3rd page of map points you'll see the points displaying the current situation there. It's a great example of how My Maps can be used to quickly inform people about a local emergency taking place.
US Red Light Camera Map - All known red light cameras in the US, totally over 3300 points on a Google Map.
Virginia Tech: In Memoriam - A Google Map which places locations and life tributes for each unfortunate victim in the recent VT incident. The map pins indicate the hometowns for each person.
Baseball's most valuable teams.. mapped - From a recent Forbes Magazine story.
CoolWorks Job Map - Mapping seasonal jobs at National Parks, summer camps, ski resorts and ranches in some of the coolest places in the country.
Google, Yahoo, Microsoft, Mapquest Job Mashup - Mapping jobs from each of these companies.
Plastic Surgeons on Google Maps - Find yourself a plastic surgeon by state, city or zip code.