In this Friday, Jan. 25, 2019 photo, visitors race down the side-by-side tunnels of a 97-foot ice slide at Ice Castles in North Woodstock, N.H. The winter wonderland is one of six in North America. (AP Photo/Robert F. Bukaty) Robert F. Bukaty
The construction of Ice Castles continues ahead of opening day near the Hobo Railroad in Lincoln on Tuesday, Dec. 19, 2017. (ELIZABETH FRANTZ / Monitor staff) Elizabeth Frantz
