Ice Castle

A man and his child explore the Mall of America Ice Castle in Bloomington, Minn. The castle is made of icicles organically grown from 4 million gallons of water and then fused together. Enlarge photo

Jim Mone/Associated Press

A man and his child explore the Mall of America Ice Castle in Bloomington, Minn. The castle is made of icicles organically grown from 4 million gallons of water and then fused together.