OS X: View Zip File as Folder
If you're comfortable with the command line and just want to get a list of the files inside the zip file, you could also use the zipinfo command:

$ zipinfo Archive.zip
Archive:  Archive.zip
Zip file size: 465 bytes, number of entries: 3
-rw-r--r--  2.1 unx        6 bX defN 18-Jun-19 05:00 baz.txt
-rw-r--r--  2.1 unx        6 bX defN 18-Jun-19 05:00 foo.txt
-rw-r--r--  2.1 unx       23 bX defN 18-Jun-19 05:00 bar.txt
3 files, 35 bytes uncompressed, 41 bytes compressed:  -17.1%


Or, unzip -l:

$ unzip -l Archive.zip
Archive:  Archive.zip
  Length      Date    Time    Name
---------  ---------- -----   ----
        6  06-19-2018 05:00   baz.txt
        6  06-19-2018 05:00   foo.txt
       23  06-19-2018 05:00   bar.txt
---------                     -------
       35                     3 files