Our Pick
Posted on @rawstates
Lick Observatory opens
1888
Mount Hamilton, California
myyorgda · CC BY 2.0 · Wikimedia Commons
The first permanently occupied mountaintop observatory, funded by a piano-maker turned land baron who is buried beneath the telescope pier. A road of 365 curves was built at a constant grade so horses could haul the lens up.
That was 1 of the hidden places.
Location: documented spot
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