Right-click (or Ctrl-click) on any folder name in the Path Bar.
Network links (SMB, AFP, NFS) are notorious for hiding themselves after sleep or disconnect. show hidden finder link
xattr -l /path/to/link
If you are trying to see hidden system files (like .gitignore or usr folders) inside Finder, you need to toggle the hidden file visibility. Right-click (or Ctrl-click) on any folder name in