we dont know what we saw to a ufo it looked upside down piramide nothing below apply,s

there were 4 of us in the car we got lost on some deserted hwy going to TJ Mexico we stoped to take a look at a strange shape bilding that looked like an upside down piramid it had widows form top to bottom we dident much of it at the time untile we got close to it  i touch the wall thay were ice cold after that we got back to car and left .
two days after we whent back to the same spot were the bilding was it was gone
Date is approximate.  PD