After seeing a TikTok video, Olivia Foley of Manchester, U.K., booked a skiing trip with her father to Sweden to try out the world’s only ski-thru McDonald’s, McSki, saying the long journey was “absolutely worth it.” After seeing a TikTok video, Olivia Foley of Manchester, U.K., booked a skiing trip with her father to Sweden to try out the world’s only ski-thru McDonald’s, McSki, saying the long journey was “absolutely worth it.”