In gpsvisualizer, play with the "Draw as waypoints" options under "Track Options". Here's a screenshot of the settings that made the attached map. This places each GPS marker on the map, and you can click on the marker (waypoint) to get all the info for that marker.
[attachment]Visualizer options.PNG[/attachment]
[attachment]Visualizer waypoint.PNG[/attachment]
[attachment]Capture.PNG[/attachment]