Minnesota Ice Castle Made With Geothermal Heating System
Relying on the power of his home’s geothermal heating system and his adjacent pond, Roger Hanson likes to build amazing ice castles in his yard. Each year he uses water from his pond and his pond-source heat pump to create the perfect conditions to grow these incredible sculptures.
Shimmering Silverthorne Ice Castle in Colorado
Brent Christensen relies on cold temperatures in Colorado to make his shimmering ice world in Silverthorne. This giant installation is like a winter wonderland and visitors are welcome to tour the amazing freestanding structure, which relies on no supports except the ice itself.
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