R. Joshua b. Levi met the angel of death, who brought him to the wall of the Garden of Eden. R. Joshua took the angel’s sword and jumped into the garden. He returned the sword at the command of God, and sent a message to R. Gamliel. He measured Eden and gave a short description.
Rabbi Joshua ben Levi Leaps into the Garden of Eden
Gaster, Exempla No. 138 (Ketubot 77b)