If you're looking to explore the hidden treasures below the surface, underwater cave adventures are as unique as they come ...

You won't need to look skyward to see this starry spectacle ... evoking the same magic of a starry sky, only hidden underwater. Snorkeling tours give visitors the opportunity to get up close ...

Cute babies from across North Wales have been captured in magical underwater photos during swimming lessons. Some were as young as three months and all were pictured happily floating underwater.