This is the recently constructed crypt for Martin Luther King Jr. and Coretta Scott King who died Janurary 31th, 2006. This crypt is the centerpiece for the Martin Luther King Jr. Center for Nonviolent Social Change which was founded by Coretta Scott King as a memorial to her husbands life and dream.
The engraving reads...
Rev. Martin Luther King. Jr. 1929-1968 "Free at last, Free at last. Thank God Almighty I'm Free at last"
Coretta Scott King 1927 - 2006 "And now abide Faith, Hope, Love, These Three; but the greatest of these is Love." 1 Cor. 13:13