What are the best things I'm missing out on?

What do you all think of my travel activities so far? What are some key things I'm missing? Obviously, the big cities and things, but surly there's some lesser known gems in the states I've only visited and not been too.

What do you all think of my travel activities so far? What are some key things I'm missing? Obviously, the big cities and things, but surly there's some lesser known gems in the states I've only visited and not been too.