RoadmapGPS has free POI data for many metro areas in the United States.

Other sites on the internet with POI data include:

  • GPS-POI-US – several collections of POI data for the United States, including red light cameras (for a fee)
  • has a database with over a million US locations
  • has location data for campgrounds, parks, and other sites that may be of interest to RV owners

See Also