“GPS Visualizer is a free, easy-to-use online utility that creates maps and profiles from GPS data (tracks and waypoints, including GPX files), street addresses, or simple coordinates. Use it to see where you’ve been, plan where you’re going, or visualize geographic data (business locations, scientific observations, events, customers, real estate, geotagged photos, etc.).”
Awesome plugin for WordPress that allows users to quickly and easily embed location information in blog posts. You can then embed a dynamic map, Microformat adr and geo output, and adds GeoRSS to the RSS output.