The city of Portland has as sordid an underground history as my home city of Seattle does, and, like Seattle, it makes for a fun walking tour.

There were plenty of nefarious deeds going on above ground, but the underground was where the really fun stuff was happening.  In the subterranean world of Chinatown, you can still see impressive architecture from years gone by, looking nothing like the modern city in the photo. 

Below ground you’ll ...