North America

Remember the scene at the end of Men in Black where the flying saucer crashes through a huge globe? Well this is it, the Unisphere, in Flushing Meadows Park, NY. Not very interesting at first glance, but check out how…

The Suisun Bay Reserve Fleet is a collection of mothballed warships near Benecia, California (More info). Thanks: Harold Check & elsamo

Top technology headquarters around America: Google, Apple Computer & Microsoft. Thanks: Eric, Mathew, Ahmad

It hasn't erupted since 1980 March 2005, but apparently Mount St Helens still counts as an active volcano. Not great resolution here yet though. Thanks: Sean Miller, kb and others.

Another impressive shadow - the Seattle Space Needle. The red and purple blob next door is the Experience Music Project. Thanks: Phillip Harrington, Mike, many others.

The CN Tower and Rogers Centre (formerly the Skydome, home of the Blue Jays) are in downtown Toronto, Canada. Look for the tower's shadow to see its shape. Thanks: Mike Pegg, many others