In Bill Gates office there is a wall with the whole periodic table with samples of each element

Mocha_Shakakhan on December 8th, 2018 at 15:19 UTC »

What about the radioactive ones?

Vurumai on December 8th, 2018 at 15:21 UTC »

I am Joe American. Where is the sample of plutonium I can find?

possum1872 on December 8th, 2018 at 15:48 UTC »

They also have a full section of the Berlin Wall on their campus. Amazing place.