routeStructure.js

<Router history={browserHistory}>
  <Route path="/stories" component={StoriesContainer} >
    <IndexRoute component={MyStories} />
    <Route component={StoriesLayout}>
      <Route path="new" component={NewStory} />
      <Route path="show">
        <Route path="stack" component={StackView} />
        <Route path="grid" component={GridView} />
      </Route>
    </Route>
  </Route>
</Router>

StoriesLayout.jsx

export default function StoryLayout(props) {
  return (
    <div>
      <div className="row">
        <div className="medium-8 columns">
          <p><span style={{textDecoration: 'underline'}}>My stories</span> / {props.metadata.title}</p>
          <ViewSwitcher />
        </div>
      </div>
      <div className="row">
        {React.cloneElement(props.children, omit(props, 'children'))}
      </div>
    </div>
  )
}