Winter hiking can be a hard sell for even the most seasoned adventurer, but these climbs can reveal the kind of beauty that makes you feel like you’ve stepped into an icy fairytale. From frostbitten national parks to urban green spaces, exploring the US and its varied terrain in sub-zero temperatures can uncover mighty waterfalls transformed into giant icicles. Some freeze partially, while others become massive walls of crystalline ice so thick that adventurous climbers scale them with pickaxes. To inspire your next cold-weather hike, we’ve gathered some of the country’s most magical frozen falls.⁠ ⁠ Awe at Multnomah, the crown jewel of Oregon’s impossibly scenic Columbia River Gorge Highway, and see the waterfall form into ice; check out Starved Rock State Park in Illinois, and you might find a gargantuan pillar of water perfectly suspended in mid-air; or if you’re feeling adventurous, go ice climbing at Winding Stair Gap’s imposing waterfall in North Carolina. For more on the most ma...