Jikji, the Oldest Surviving Book Printed with Movable Type Korean Zen teachings printed in 1377, scanned page by page at the BnF
The Annual Report Gallery Three thousand corporate covers from when a balance sheet got an illustrator
Ransom Center Movie Posters Five thousand sheets that actually hung in Texas lobbies, free to download at printing size
The Archimedes Palimpsest A prayer book written across the only known copies of two lost Archimedes works
Theodore Roosevelt Presidential Library A Snøhetta library in the Badlands where an AI Roosevelt takes your questions
David Rumsey Map Collection 149,000 historical maps online, free, and searchable down to the text engraved on them