A couple of years ago we took a sabbatical and sailed our catamaran PatiCat from the US to Bermuda, down through the Caribbean islands, back through the Bahamas, and finally back to the US. This was the realization of a life-long dream. While on the trip, we documented our journey through a web site with lots of photos and stories. I had generated some maps showing various parts of our passages, but I always felt it was an inadequate way to demonstrate where we were. That remained true until Google Earth came out.
The amazing things about Google Earth