Mapicurious.com allows you to share your favorite points-of-interest (POIs) with friends. You can create your own map, search for existing ones, and display your map on your blog or site.

Mapicurious supports Communicator so you can easily transfer map points to your Garmin device by clicking the “Go to Garmin” link on the right side next to “Download to your Garmin GPS”. Here’s the Communicator in action: