So, I've been losing large amounts of time to "Google Earth". Anybody who's a little interested in maps should take a look at it - it's a responsive, internet-connected browser of satellite images, all mosaiced together to get a pretty engaging virtual planet.
The thing that just fascinated me most recently is this formation:
(linking out to NASA's page).
Honestly. If you're bored at work (anyone?) and can download and install PC software, check this thing out.