estructura de etiqueta de figura de validación html5

Please check Figure tag in html structure

html5 validation- Is this structure allowed ?

<a href="#">
   <figure>
      <img src="" class="img-responsive" alt="">
      <figcaption>Family</figcaption>
  </figure>
</a>

y

<figure>
   <a href="#">
      <img src="" class="img-responsive" alt="">
      <figcaption>Family</figcaption>
   </a>
</figure>

Muchas Gracias