It is the work of artist Brent Christensen who annually constructs these temporary palaces of ice.
Ice Castles,
as the project is called, started with Christensen experimenting with
constructing an explorable ice structure in his Utah backyard for his
kids. His experiments with building geological-like forms that drape
like stalactites and stalagmites in caves and passageways evolved into
more ambitious constructions. This year he is unveiling three new Ice
Castles in Breckenridge, Colorado; Lincoln, New Hampshire; and Midway,
Utah.