Sanger: Washington D.C.'s Smithsonian Institution. 

Lenin: Seattle: https://en.wikipedia.org/wiki/Statue_of_Lenin,_Seattle

How about the Jefferson Memorial...and most of UVA?

How about President Ulysses Grant?

How about these:

https://en.wikipedia.org/wiki/List_of_Presidents_of_the_United_States_who_owned_slaves