Our Pick
Posted on @rawstates
The Cathedral Basilica mosaics
1907
St. Louis, Missouri
Nheyob (changes by Rabanus Flavus) · CC BY-SA 4.0 · Wikimedia Commons
Forty-one and a half million glass pieces in some 7,000 shades, installed over 76 years, the largest mosaic collection in the world, larger than anything in Italy. The men who set them worked from scaffolding for their whole careers.
That was 1 of the hidden places.
Location: documented spot
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