I don't know much about collage art, I only know there are countless ways of making them. I love vintage-looking collages the most, they kind of give you a Summer-y feeling we could all use right now. Disfiguring reality is fun!
Here are some of my favorite ones. Some sources to the pictures were incorrect, so if there's no source mentioned, go to my Pinterest board.
First, there's the classic galaxy themed collages:
Some moon collages were dope too:
|by Rachel Brice|
The claustrophobic city collages are what really did the trick for me. I love how using photos of regular objects in a different setting makes for a very unsettling composition: