Crossword clues for the word: SMITHSONIAN The word SMITHSONIAN has appeared as an answer to at least 6 crossword clues on different crossword puzzles. Crossword clues for SMITHSONIAN Showing 1 to 6 of 6 results Clue(s) "D.C. landmark (with ""The"")" "National museum and repository in Washington, D.C." D.C. landmark Foundation for education and scientific research in Washington, DC, US, established in 1846 Must for D.C. visitors Where to see Abraham Lincoln's top hat