Ice carving is big in Colorado, but it’s getting even bigger this weekend as Ice Castles opens in a newly expanded pair of locations — with about 40 million pounds of ice in tow. Related Articles Things To Do | Mourning the loss of a favorite kitchen tool Things To Do | Wreath-laying ceremonies honor veterans laid to rest in Boulder County Things To Do | Three of the Denver metro’s top retail areas see a growing interest in “experiences” Things To Do | How to keep pets safe from holiday decorations Things To Do | Simple fixes give after-dinner cocktails some holiday flair.