Dead-of-winter trips from northern lights to festivals

File- This Jan. 5, 2017, file photo shows visitors playing slide on a castle-like structure made from blocks of ice at the annual Harbin International Ice and Snow festival in Harbin, northeastern’s China’s Heilongjiang province. (AP Photo/Helene Franchineau, File)

Jim Cline snow-kiting over frozen Lake Winnipesaukee on March 1, 2001, in Tuftonboro, N.H.

John Houghton of Vermontville, N.Y., and his sled dog team give a ride to a couple Jan. 30, 2015, around Mirror Lake in Lake Placid, N.Y.

File- This Jan. 19, 2007, file photo shows a skater trying her hand at Nordic skating on Lake Morey in Fairlee, Vt. Popular in Scandinavia and northern Europe for centuries, long-distance, outdoor skating remains a relatively obscure pursuit in the United States. (AP Photo/Toby Talbot, File)

File-In this March 1, 2017, file photo the Northern Lights, or aurora borealis, appear in the sky over Bifrost, Western Iceland. The Northern Lights are created as a result of collisions between gaseous particles in the Earth’s atmosphere and charged particles released by the sun, according to the Northern Lights Space and Science Centre in Canada. (AP Photo/Rene Rossignaud, File)

Despite frigid temperatures plaguing some parts of the U.S., winter does have unique charms, whether it’s getting cozy by a fireplace with a mug of hot chocolate in a mountain inn or heading outdoors to a magical landscape of forests and mountains sparkling with snow.