A magical, acre-sized ice castle is back in New Hampshire. The ice castle in Lincoln opened earlier this month. Ice Castles, which builds the popular attractions across the United States and Canada, said on their website - icecastles.com - that tickets are on sale now. The ice castles are built by hand using icicles harvested by the company. This year's ice castle will feature 79 turrets, archways, tunnels, a tandem ice slide and waterfalls lit up with colored LED lights. Here are some photos of the finished product and the ice castle under construction.