Crowley and Aziraphale watch the sun set on Waikiki Beach, and in this moment of perfect peace, Aziraphale -- who treasures old, meaningful things -- thinks it's time to give Crowley something very old and meaningful.
This is very close to where I married my husband, in my mother's disco wedding dress and bare feet, under a real live rainbow. I know it's not wild Hawaii, but there's no mistaking there is a magic about Waikiki Beach, especially as the sun goes down. You feel like you're at the very end of the world, and all is right.