Planet Word is a language arts museum that opened in Washington, DC, in October 2020. The museum is described as "The museum where language comes to life" and features interactive exhibits dedicated to topics such as the history of the English Language, how children learn words, languages around the world, humor, poetry, and how music and advertising use words. It is located in the historic Franklin School building, designed by Adolf Cluss, located on Franklin Square at 13th and K Street.