Found at: The National Museum of American History
Washington dressed as a Roman Consul.
Found at: The Museum of American History
Latin Transcription: SIMULACRUM ISTUD AD MAGNUM LIBERTATIS EXEMPLUM NEC SINE IPSA DURATURUM HORATIUS GREENOUGH FACIEBAT
Translation: HORATIO GREENOUGH MADE THIS STATUE AS A GREAT EXAMPLE OF LIBERTY, NOR WITHOUT IT [= liberty] WILL IT ENDURE
Found at: The Library of Congress (Great Hall of Thomas Jefferson Building)
Part 1
Found at: The Library of Congress (Great Hall of Thomas Jefferson Building)
Latin Transcription: NIL INVITA MINERVA QUAE MONUMENTUM AERE PERENNIUS EXEGIT
Translation: [THERE IS] NOTHING WITHOUT THE CONSENT OF MINERVA, WHO HAS CRAFTED A MONUMENT MORE LASTING THAN BRONZE.
Based on Horace’s Ode 3.30.1 and an expression in Horace’s Ars Poetica (= Epis. 3) 385  (Prof. Ziolkowski)
Found at: The Library of Congress (Great Hall of Thomas Jefferson Building)
Latin Transcription: PRO LEGE REGE ET GREGE
Translation: ON BEHALF OF THE LAW, THE KING, AND THE PEOPLE
Found at: The Library of Congress (Great Hall of Thomas Jefferson Building)
Latin Transcription: INTER FOLIA FRUCTUS
Translation: THERE IS ENJOYMENT AMONG THE PAGES  (Literally, THERE IS FRUIT AMONG THE LEAVES)
Found at: The Library of Congress (Great Hall of Thomas Jefferson Building)
part 1
Found at: The Library of Congress (Great Hall of Thomas Jefferson Building)
Greek Transcription: καὶ μὴν ἀριθμόν, ἔξοχον σοφισμάτων, ἐξεῦρον αὐτοῖς γραμμάτων τε συνθέσεις, μνήμην θ᾽ἁπάντων, μουσομήτορ᾽ ἐργάτιν (Aeschylus, Prometheus Bound, 459-61)
Translation: Prometheus is speaking: “And number, far above all [other] skills,/I discovered for them, and the combining of letters,/ the memory [= means of remembering] of all things, hard-working mother of the Muses.”
Found at: The Basilica of the National Shrine of the Immaculate Conception
Latin Transcription: FILII EIUS BEATISSIMAM PRAEDICAVERVNT
Translation: HER SONS PROCLAIM THAT SHE IS THE MOST BEAUTIFUL (Proverbs 31:28)
Crest of the Catholic University of America
Latin Transcription: DEUS MEA LUX EST
Translation: GOD IS MY LIGHT
Found at: The Basilica of the National Shrine of the Immaculate Conception 
Latin Transcription: S.P.Q.R. (Senatus Populusque Romanus)
Translation: The Senate and the People of Rome
A Marian antiphon
Found at: The Basilica of the National Shrine of the Immaculate Conception 
Latin Transcription: SALVE · REGINA · MATER · MISERICORDIAE
Translation: HAIL QUEEN MOTHER OF MERCY
Found at: The Basilica of the National Shrine of the Immaculate Conception 
Latin Transcription: PAX
Translation: PEACE
Found at: The Basilica of the National Shrine of the Immaculate Conception 
Latin Transcription: DOMINE DILEXI DECOREM DOMUS TUAE
Translation: OH LORD, I HAVE LOVED THE BEAUTY OF YOUR HOUSE (Psalm 25:8)
A prayer from St. Josemaria
Found at: Basilica of Saint Mary—Duke Street, Alexandria, Virginia
Latin Transcription: OMNES CUM PETRO AD JESUM PER MARIAM
Translation: ALL WITH PETER, TO JESUS, THROUGH MARY
Found at: The National Gallery of Art
Latin Transcription: ARTES SERVIUNT VITAE, SAPIENTIA IMPERAT (Seneca, Ep. 85.32)
Translation: THE ARTS SERVE LIFE; WISDOM GOVERNS IT (original translation from Professor John Ziolkowski, an emeritus professor of Classics at GW)
Found at: Scottish Rite House of the Temple
Latin Transcription: SALVE FRATER
Translation: HELLO BROTHER
Found at: Scottish Rite House of the Temple
Latin Transcription: SALVE FRATER
Translation: HELLO BROTHER
Found at: Scottish Rite House of the Temple
Latin Transcription: SANCTUM TEMPLI
Translation: THE HOLY PLACE OF THE TEMPLE
Found at: Scottish Rite House of the Temple
Latin Transcription: DEUS MEUMQUE JUS · AMEN
Translation: GOD AND MY LAW · AMEN
Found at: Scottish Rite House of the Temple
Latin Transcription: IN DEO FIDVCIA NOSTRA
Translation: OUR TRUST IS IN GOD
Found at: The George Washington University -- their motto
Latin Transcription: DEUS NOBIS FIDUCIA
Translation: GOD IS OUR TRUST
Greek Transcription: Ἐν ἀρχῇ ἦν ὁ λόγος καί ὁ λογος. . . καί ἡ ζωὴ ἦν τὸ φῶς τῶν ἀνθρώπων.
Translation: In the beginning was the Word, and the word [was with God. In Him was life, and] the life was the light of men. (beginning and end of verses 1-4, Gospel of St. John 1, translation from GW's website)
Found at: The George Washington Masonic National Memorial
Latin Transcription: E PLURIBUS UNUM
Translation: FROM MANY, ONE
Found at: The George Washington Masonic National Memorial
Latin Transcription: E PLURIBUS UNUM
Translation: FROM MANY, ONE
Found at: The George Washington Masonic National Memorial
Latin Transcription: SUPREMUM CONCILIUM XXXIII GRADUS
Translation: THE SUPREME COUNCIL, THIRTY-THIRD DEGREE
Found at: L. Leonard Ruben District Court of Maryland—Silver Spring, Maryland -- The Maryland State Seal
Latin Transcription: SCUTO BONAE VOLUNTATIS TUAE CORONASTI NOS
Translation: YOU HAVE CROWNED US WITH THE SHIELD OF YOUR GOOD FAVOR
From St. Augustine’s Confessions (Book 8. Chapter 12)
Found at: US Department of Justice
Latin Transcription: LEGE ATQUE ORDINE OMNIA FIUNT
Translation: WITH LAW AND ORDER ALL THINGS ARE DONE