Loads of submissions for this one, and man it is really, really big. Check out how far zoomed out we are! Also of note are the road around the rim, the visitors centre, and what appears to be a footbridge…

The Washington Monument in Washington DC is over 500 feet high and offers fantastic views over the capital. It looks pretty cool from the air as well, check out the size of that shadow!

Greg Duncan sent us this large scale geekery - the Simi Valley Smiley and I Love Simi Heart. Greg says: The smiley is very visible from the freeway and one of the first things you see as you drive into…

Here's a shot of Large windmill clusters in the Mojave desert, California. Scroll around a bit and you'll see there's lots of them. Also quite cool in the East of this shot there's a collection of what I'm assuming are…

More strangeness scratched into the earth this trippy triangle thing in the desert north of Vegas. Thanks Chris.

No, that's not the surface of the moon. It's where the US government has blown-up lots and lots of things at the "Nellis Air Force Bombing and Gunnery Range" in Nevada, just south-west of Area 51. Also, scroll north and…