For those who might be interested in the growth of our planet,
as currently going on today...on the island I grew up on.
Once at the site, click on the picture that indicates it's a movie to watch it. At the completion, click on your "back" button to return to see more.
It is humbling to realize that we live on a relatively thin layer of rock and that the core is molting.
Enjoy.
http://hvo.wr.usgs.gov/kilauea/update/images.html