Karl Karlstrom, a geologist recently retired from the University of New Mexico, grew up in Flagstaff, Arizona. Grand Canyon ...
In this list of best places to visit in USA travel guide we show you the top 100 destinations in the USA for your Bucket list ...
A recent study from the University of New Mexico has proposed a fascinating theory about the formation of the Grand Canyon.
MESA - By tapping rivers and sucking water from deep underground, developers have covered Arizona with carpets of Bermuda grass and dotted the parched landscape with swimming pools, golf courses and ...