Pictures: Stunning sandcastles photographed on the beach

29 November 2012 Last updated at 17:10 GMT

Check out our photo gallery of super slick sandcastles!
Sandcastle made by Calvin Seibert
Believe it or not this super slick structure is a sandcastle!
Brick design sandcastle made by Calvin Seibert
These snaps are just some of the amazing creations made by artist Calvin Seibert.
Sandcastle made by Calvin Seibert
Calvin gets his inspiration from shapes and unusual buildings that he sees.
Sandcastle made by Calvin Seibert
They take about a day to make and if they survive the night then he can continue to make them even bigger.
Sandcastle made by Calvin Seibert
Here's one of his bigger sandcastles - but they don't last for long as the water soon washes them away!