DENVER (KDVR) — Market Street in Denver’s Union Station and Five Points neighborhoods is filled with restaurants and bars, but 100 years ago, it was known as “The Row” — the city’s red-light district.

Like San Francisco's Barbary Coast and New Orleans' Storyville, San Antonio's generically named "sporting district" - as it's called in a 1911 guide - was an area where vice-related businesses were ...