Ice Castles...

Photo: Kristal Kraft ~ DenverD...  ...cooler. It all started one winter day when Brent Christensen was searching for a new outdoor winter...  ...rinks, ice caves, and other ice creations. Then, Brent decided to build an fort in his front y...  ...quot;ice castle."...

http://www.neatorama.com/2013/02/09/Ice-Castles/