Ezekiel 40:2

40:2 By means of divine visions he brought me to the land of Israel and placed me on a very high mountain, and on it was a structure like a city, to the south.

Ezekiel 41:7

41:7 The side chambers surrounding the temple were wider at each successive story; for the structure surrounding the temple went up story by story all around the temple. For this reason the width of the temple increased as it went up, and one went up from the lowest story to the highest by the way of the middle story.