Most of the mines which people submit are in low-res, but here’s one which isn’t. This is an abandoned open pit copper mine in Casa Grande, Arizona. Can’t imagine why they abandoned it… I mean, that hole isn’t nearly big…

Just outside of Scottsdale, Arizona, lies this totally bizarre little patch of buildings. Sitting isolated out in the desert, these structures are packed into perfectly regular square… and as far as I can see, for absolutely no good reason –…

Our final post of the 1st annual Google Sightseeing ‘Volcano Day’ is the simply incredible San Francisco volcanic field in northern Arizona. The field covers 4700 square kilometres and contains 600 volcanoes less than 6 million years old, including the…

Take the exit for Sky Harbour Airport from the Hohokam Expressway and you’ll find this nice bit of road art. This road is not far from the double missed bridge and there’s similar misalignment problems throughout the airport. Thanks: Scott…

This is the Barringer Meteor Crater, outside Flagstaff, Arizona. It’s the result of a 300,000 ton meteor coliding with the Earth around 50,000 years ago. The crater is about 1.5 kilometers in diameter and 170 metres deep. It was the…

Outside of Sun City West, Arizona are the Caterpillar Proving Grounds, where there is some extremely large type! I wonder if the bulldozers prove themselves by digging out these letters over and over again? Thanks to Yablo and Jeff Burton.