✔ 最佳答案
Stratosphere is "112" stories at the top floor, with the tower/ride above it. From their website "Jutting 1,149 feet into the Vegas skyline..." (
http://www.stratospherehotel.com/Tower)
I think the next tallest building would be the Fountain Bleu which has yet to open, this appears to be about 68 stories tall.