Google has recently released the “Google Earth Plugin”. It’s a free plug-in that runs Google Earth (3D buildings and everything) right in your browser! It’s quite slick.
The problem is that it’s kind of a pain to use it on your site. The Digital Earth Blog just did a round-up of the best ways to use it to embed a map in your site, but I think the clear winner for churches is ShareIt. It makes it very simple to add a map to your site — probably less than 30 seconds to get the code you need. Here is what it looks like on your site:
Give it a shot and let me know what you think.