This is what the Chihuahuan desert looks like along the Texas/New Mexico border.

Walter's New Mexico pictures inspired the ones above.
Yesterday, we went to Carlsbad Caverns in Souteast New Mexico.

That's my daughter with her audio guide, ready to hike into the caverns.
The entrance to the caverns . . .
. . . and some of their wonders
This formation is rather suggestive