$TTNExcludeLists = "Solution Gallery",
            "Workflow Tasks",
            "Master Page Gallery"

Get-SPSite -Limit All | Get-SPWeb -Limit All |
  Select -ExpandProperty Lists |
  Where { -Not ($TTNExcludeLists -Contains $_.Title) } |
  Select -ExpandProperty Fields |
  Where { $_.TypeDisplayName -eq "Lookup" -and
          $_.Hidden -eq $false -and
          $_.FromBaseType -eq $false } |
  Select {$_.ParentList.ParentWebUrl},
         {$_.ParentList},
         Title | Sort-Object Title | Format-table -AutoSize -wrap