One city in Texas is among the most likely targets for enemy nukes in the event WW III breaks out but I think this one may actually be higher up.
Business Insider says Houston is one of the top 6 targets and, if that wasn't scary enough, they say no American city is ready to handle the aftermath of such an attack.
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Santa Elena Canyon is considered to be one of the most beautiful parts of Big Bend. TexasHillCountry.com describes it this way:
"With walls upwards of 1,500 feet, Santa Elena Canyon has the tallest cliffs forming this Texas canyon, but it also has something else quite unique..."