Overpriced? Sure, but having been on that tour, I would regret having not taken it. Really interesting history, and where else do you get to see an honest-to-

Overpriced? Sure, but having been on that tour, I would regret having not taken it. Really interesting history, and where else do you get to see an honest-to-goodness sunken city? I'd pay similar money (or more) to go on a (legal) tour of, say, disused NYC subway tunnels, a deactivated nuclear plant, an abandoned mine, a shipwreck, or Kowloon Walled City (when it existed). EDIT: Indeed, the Wieliczka salt mine (which, for me, was a similar experience to the Seattle underground) costs about $25 USD: http://www.wieliczka-saltmine.com/visiting/tourist-route/visitor-s-guide/check-prices http://www.wieliczka-saltmine.com/visiting/tourist-route/vis...