Pictures Inver Grove Heights Man's Colored Ice Castle January 16, 2017 / 3:03 PM CST / CBS News (credit: Mark Williams/Inver Grove Heights) Inver Grove Heights Colored Ice Castle (credit: Mark Williams/Inver Grove Heights) Inver Grove Heights Colored Ice Castle (credit: Mark Williams/Inver Grove Heights) Inver Grove Heights Colored Ice Castle (credit: Mark Williams/Inver Grove Heights) Inver Grove Heights Colored Ice Castle (credit: Mark Williams/Inver Grove Heights) Inver Grove Heights Colored Ice Castle (credit: Mark Williams/Inver Grove Heights) Inver Grove Heights Colored Ice Castle (credit: Mark Williams/Inver Grove Heights)