Sexy winter is different from sexy summer. If beach escapades are scant clothing and watching the tide come in, winter retreats are snuggly blankets and watching the snow fall. Whether it’s just the two of you, or a gaggle of ski bums and bunnies worthy of an Abercrombie ad, the right mix of nature, crackling fires, and hot tubs can turn the most blustery day very, very sultry. From a sumptuous old-world Swiss resort alongside the Matterhorn to 1930s-era cabins in Mammoth, California, we’ve tracked down the hot spots that will keep you tingling until the big thaw. Read the rest on Concierge.com.