How to make a survival fort on minecraft

First make a cobble stone Line as big as you want

Now start making it into a square

This is what it should look like

Start staking the cobblestone as talk as you want

This is what it should look like

Now start making a square again but above the stack

This is what it should look like

Now add cobble stone on the end of the square

Now stack cobblestone twice up

This is what it should look like

Now add torches on the top to find your house in the dark

This is what it should look like when it's all done!!! Thanks for looking at my guide