Just change your perspective.
If you ever have any doubts about what you should photograph, just go to a place where you can look out towards the horizon or up at the clouds above. When you visit these locations and have a clear view, you’ll start to realize the infinite expanse and the potential in the unknown. If I don’t know what I should photograph, I instantly seek the clouds.
Otherwise, just look below your feet, and notice the beauty of the details beneath