Lost Trails, Lost Cities

On weekends, certain parts of downtown are virtually deserted. Sometimes I walk through them, like an explorer walking for the first time through the remains of a colossal city, built then abandoned for unknown reasons by some deservedly extinct civilization. That ominous, slab-sided tower - was it a monument to a god of death? Behind that building's hideous mirrored façade - did sacrifices take place?  That convenience store - it's open? I think I’ll purchase some Altoids.