Out here we're still dealing with UFO landing sites and vast forgotten Maya-like civilizations underground founded by them. The business where I worked was built upon what was officially zoned by the City of Berkeley as an Underground Sanctuary. And even a tiny hole in the concrete or pavement couldn't be drilled without a special permit, or risking a riot. There were a number of Coastal Miwok shellmounds there before those were all leveled for fertilizer back in the 19th C. But a small contingent of the 150 or so usual locals were fanatical at city hall zoning meetings about the stunning import of what was allegedly down below. Eventually, as sea level rise started kicking in, the city sewers were backing up near the shoreline, so they were forced to do archaeological assessment drilling cores. A bunch of 19th C dock plank fragments and rusty nails etc came up. We already knew docks had formerly been there. So they authorized a partial excavation, but didn't realize the extent of what they would soon find. One of our big flatbed lumber delivery trucks almost fell into the widening hole. And sorry, no buried UFO's and lost Mayan ruins - just a network of abandoned huge diameter 19th C brick-lined sewerage tunnels the City had completely forgotten the existence of. But the true believers remained convinced aliens had made those too. Didn't matter. New modern sewer ducts went in anyway, despite the feelings of aliens and their admirers.
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