The Seattle Underground Tour takes visitors on a tour of old Seattle underneath parts of Pioneer Square. Much of downtown was built on a pile of trash and debris on what was then marshy wetland. Some of the older parts of the city are still there below current street level. The tour is entetaining and irreverent and appears to have a hiring perference for out of work actors. There are on and off days, but when it works, it can compel a good time from everyone from Grandma to seen it all jaded teens.
                        
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