One of the lesser known black rocks sits near Princeton's IAS building.
I came across it awhile back using street view, it's trapezoidal in shape.
There's interesting artwork inside the IAS building as well.
Nice retwat from Eric Trump.
Project looking glass?
https://twitter.com/Cambridge_Uni/status/1201130333980299265
https://twitter.com/DanScavino/status/1200621148154630145