The Stratosphere in Las Vegas is typically said to have about 112 stories. However, the exact count could vary slightly based on how you define a 'story' and any recent renovations or structural changes.
It's hard to give an exact number as it depends on the height of each story, but typically, the Stratosphere is estimated to be around 100 stories tall.
I'd recommend 'City at War' in the bayverse tmnt fanfic world. It has a great plot that really gets into the action and relationships between the turtles. It's exciting from the start and gives a good sense of the bayverse setting.