PETRA AND THE NABATEANS are discussed in a BAR article:

Solving the Enigma of Petra and the Nabataeans

by Joey Corbett

For every tourist who visits the ancient city of Petra in modern day Jordan, there is one breathtaking moment that captures all of the grandeur and mystery of this city carved in stone. After passing the final bend of the tortuous narrow canyon that leads into the site (the Siq), one is confronted by the awe-inspiring spectacle of a towering rock-cut façade, its sun-struck sandstone gleaming through the darkness of the canyon.

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It's a nice and nicely illustrated article, although I think it's a little odd that it never mentions that the language of the Nabateans (at least their official written language) was Aramaic.