It really shouldn't come as a surprise to anyone here that this is the building that The Smithsonian Institution is based out of.
Smithsonian Institution Building, The Castle
https://pin.it/4agji4a3ipthos
https://pin.it/yltvxhyi6wd7lh
https://pin.it/zuh2as5oi36edv
https://pin.it/ladl3jikxgbrky
https://pin.it/rcve7bj26gqlw7...
Hidden in plain sight!
Smithsonian Institution Building, The Castle
https://pin.it/4agji4a3ipthos
https://pin.it/yltvxhyi6wd7lh
https://pin.it/zuh2as5oi36edv
https://pin.it/ladl3jikxgbrky
https://pin.it/rcve7bj26gqlw7...
Hidden in plain sight!