Our Pick
Posted on @rawstates
Academy of Music opens
1857
Broad Street, Philadelphia
Difference engine · CC BY-SA 4.0 · Wikimedia Commons
The oldest opera house in America still used for its original purpose, modelled on La Scala. Money ran short so the exterior was left as bare brick, on the argument that the sound mattered more.
That was 1 of the hidden places.
Location: documented spot
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