REVEALED: Why this mysterious ice cave only freezes in the SUMMER places ICE IS usually associated with winter but one ice cave in the US has baffled visitors for years. Share: Email ThisBlogThis!Share to XShare to Facebook Related Posts:Secluded paradise meets adventurer's dream: Is this Portugal's best kept secret?George Clarke's Amazing Spaces: Luxury treehouse complete with its own slide and hot tubCHILDHOOD DREAM COME TRUE: Luxury treehouse complete with its own slide and hot tubSecluded paradise meets adventurer's dream: Is this Portugal's best kept secret?George Clarke's Amazing Spaces: Luxury treehouse complete with its own slide and hot tub