Shouldered by sandstone cliffs, these caves in Bayfield, Wisconsin, form when water-and, notably, waves-that would normally flow through the sandstone freezes instead, birthing icicles, columns, and curtains. During the winter of 2015, the caves attracted just shy of 40,000 tourists within a nine-day period, the Associated Press reported at the time.
WHITEFISH, Mont. A chairlift cranks into gear as a group of ski patrollers at Whitefish Mountain Resort gets the mountain ready for another season. This is a typical safety training. They'll practice how to evacuate people off chairs if there were an emergency. But not much here feels typical. For starters, no one is in boots or on skis. Despite the training happening in late November, there is no snow at the base lodge, and the slopes leading up the mountain are brown,