A really simple way to build anything in minecraft.
Step 1: Step 1, Build a Square in the Air!
The first thing u do is grap cobblestone and build a pole as high as u want it. Then u build a square around it and break the pole.
Step 2: Step 2,lava
The next thing u want to do i put lava on every block and wait for it to touch the ground.
Step 3: Step 3, Water
Next u want to add water on the top of each block and wait for it to touch the floor
Step 4: Step 4, Stop the Water Flow
After that you want to just stop the water flow and you should see your skyscraper. Custimize as you like and you will have the perfect minecraft skyscraper. Please be sure to leave a comment below and when you have the time dont forget to follow me. Thanks for reading!