Bill Speidel's Underground Tour (Pioneer Square)

Bill Speidel's Underground Tour operates guided walks in Pioneer Square that interpret the city's buried 1890s storefronts and sidewalks. The tour company, based at 614 1st Ave, is commonly photographed and filmed by visitors; images and video clips from the walk are regularly posted on social media and in travel videos. The tour's combination of historic spaces and guided storytelling has contributed to its recurring online visibility.