{"name":"Bill Speidel’s Underground Tour","city":"Seattle, Washington","canonical_url":"https://gydeinfo.com/seattle/places/bill-speidel-s-underground-tour/","markdown_url":"https://gydeinfo.com/seattle/places/bill-speidel-s-underground-tour.md","updated_at":"2026-06-20T18:17:41.716493+00:00","facts":[{"claim":"The Seattle Underground is a network of underground passageways and basements in Pioneer Square, Seattle.","citation":"https://en.wikipedia.org/wiki/Seattle_Underground","source_title":"Seattle Underground - Wikipedia","source_type":"manual","allowed_use":"facts_with_citation","retrieved_at":"2026-06-20T17:40:15.887814+00:00","fact_type":"history","as_of":"2026","confidence":0.9},{"claim":"These spaces were originally at ground level and later fell into disuse after street elevations.","citation":"https://en.wikipedia.org/wiki/Seattle_Underground","source_title":"Seattle Underground - 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Seattle’s sidewalks and streets.","citation":"https://pioneersquare.org/businesses/bill-speidels-underground-tour/","source_title":"Bill Speidel's Underground Tour - Visit Pioneer Square - Seattle, WA","source_type":"official","allowed_use":"canonical_data","retrieved_at":"2026-06-20T17:40:15.006790+00:00","fact_type":"significance","as_of":"2026","confidence":0.94},{"claim":"The subterranean passages once served as the main roadways and first-floor storefronts of old downtown Seattle.","citation":"https://pioneersquare.org/businesses/bill-speidels-underground-tour/","source_title":"Bill Speidel's Underground Tour - Visit Pioneer Square - Seattle, WA","source_type":"official","allowed_use":"canonical_data","retrieved_at":"2026-06-20T17:40:15.006790+00:00","fact_type":"history","as_of":"2026","confidence":0.93},{"claim":"The tour is marketed as telling stories that pioneers supposedly did not want 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lists a seasonal schedule of April through September from 9:00 am to 7:00 pm.","citation":"https://undergroundtour.com/what-to-expect/","source_title":"What To Expect – undergroundtour","source_type":"official","allowed_use":"canonical_data","retrieved_at":"2026-06-20T17:40:12.242487+00:00","fact_type":"hours","as_of":"2026","confidence":0.94},{"claim":"Bill Speidel’s Underground Tour runs on the hour every day year-round from 10:00 am to 6:00 pm.","citation":"https://undergroundtour.com","source_title":"Seattle Underground Tour","source_type":"official","allowed_use":"canonical_data","retrieved_at":"2026-06-20T17:40:11.355524+00:00","fact_type":"hours","as_of":"2026","confidence":0.98},{"claim":"The tour is closed on Thanksgiving Day and Christmas Day.","citation":"https://undergroundtour.com","source_title":"Seattle Underground 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