Where is a good place to start to take a set of lat/long data (e.g., bunch of ride/walk traces) and plot a neat looking map? It seems to be a little harder than

Where is a good place to start to take a set of lat/long data (e.g., bunch of ride/walk traces) and plot a neat looking map? It seems to be a little harder than hello world, but not worth a full blown GIS stack.