Undefined variable: stations in view

I have undefined variable and it doesn't call variable.

I get missing argument 1 error when I try accessing a page. This is my code.

Part of the view:

@foreach($stations as $station)
    <span>  </span>
@endforeach

Controller:

public function show($id)
{
    $stations = DB::table('stations')->pluck('station');
    return view('configuration.configuration', $stations);
}

Route:

Route::get('configuration/', 'ConfigurationController@show');

via Chebli Mohamed