en.wikipedia.org/wiki/Seattle_Underground

The Seattle Underground is a network of underground passageways and basements in ... accessible to the public on guided tours. In 1965, local citizen Bill Speidel established "Bill Speidel's Underground Tour," which operates to this day .

www.undergroundtour.com

Underground Tour, Seattle's most unusual attraction, is a humorous walking tour of the buried city.

www.undergroundtour.com/about

BILL SPEIDEL'S UNDERGROUND TOUR is Seattle's most unusual attraction, ...

www.undergroundtour.com/about/tickets.html

Ticket Prices. $22 Adult (18-59 yrs) $20 Senior (60+ yrs) $20 Student (13-17 ...

www.undergroundtour.com/about/heels.html

When taking Bill Speidel's Underground Tour of Seattle, low heels are ...

www.tripadvisor.com/Attraction_Review-g60878-d1089321-Reviews-Bill_Speidel_s_Underground_Tour-Seattle_Washington.html

The Underground Paranormal Experience gives you the expertise and equipment to do your own investigation. Search for paranormal activity in the famous ...

www.yelp.com/search?find_desc=Seattle+Underground+Tour&find_loc=Seattle%2C+WA

Reviews on Seattle Underground Tour in Seattle, WA - Beneath the Streets, Bill Speidel's Underground Tour, Spooked In Seattle Ghost Tours, Seattle Free ...

www.ask.com/youtube?q=Seattle+Underground+Tour&v=rn-oqYzQgOE
Jan 1, 2016 ... Day 3 in Seattle, my friend Rasa recommended the Underground Tour. I had a feeling, while walking around the city, that there was something ...

www.citypass.com/articles/seattle/underground-tour-highlights-seattles-strange-history

Oct 27, 2011 ... So begins the short, quirky and fun descent into the Emerald City's underground. Bill Speidel's Underground Tour of Seattle isn't very long and ...