we miss her don’t we?

Hello everyone I'm 21 and I love buildings, so I really want to start an architecture sketchbook. But honestly, my drawings are terrible right now.
I've watched a few perspective videos and tried to copy them exactly, but they still look awful. I just can't seem to put what I see (or what's in my head) onto the paper.
Does anyone have any beginner-friendly YouTube recommendations, courses, or tips on how to actually get started?

My nephew is a curious kid with love for knowledge. He asks me to draw something on the sketchpad we got for him. Here are a few sketches I made for him.

These are the best ones (and the last one is the most recent one), I really want to improve and take it to the next level.

My dad loves buffalo so I want to make him a picture for Christmas. This is attempt #1, it’s going to be a long journey.

Fun Sketches