GOD'S WORD® Translation
"About these buildings that you see-the time will come when not one of these stones will be left on top of another. Each one will be torn down."

American Standard Version
As for these things which ye behold, the days will come, in which there shall not be left here one stone upon another, that shall not be thrown down.

Berean Study Bible
“As for what you see here, the time will come when not one stone will be left on another; every one will be thrown down.”

Douay-Rheims Bible
These things which you see, the days will come in which there shall not be left a stone upon a stone that shall not be thrown down.

English Revised Version
As for these things which ye behold, the days will come, in which there shall not be left here one stone upon another, that shall not be thrown down.

King James Bible
As for these things which ye behold, the days will come, in the which there shall not be left one stone upon another, that shall not be thrown down.

World English Bible
"As for these things which you see, the days will come, in which there will not be left here one stone on another that will not be thrown down."

Young's Literal Translation
'These things that ye behold -- days will come, in which there shall not be left a stone upon a stone, that shall not be thrown down.'

Luke 21:6 Additional Translations ...