Upgrading from:

Miscellaneous`WorldPlot

Miscellaneous`WorldPlot` functionality is now available in the newly created World Plotting Package.
Many enhancements are available through the built-in Mathematica kernel function CountryData.

Plot a map in Mercator's projection:

Version 5.2 << Miscellaneous`WorldPlot`; WorldPlot["Canada", WorldProjection  Mercator]

Load the package:

Version 5.2 << Miscellaneous`WorldPlot`; WorldPlot[{World, RandomGrays}]