[27.177460, 78.043080] Its not obvious, and illegal, to get to the Yamuna waterfront for cool reflections of the Taj Mahal in Agra, though a quick sneak can get you the shots you need from Mehtab Bagh, if you are careful.
[47.498978, 18.283446] The Bokod lake is an outlet for the nearby thermal power plant, and never freezes, even when the mighty Danube that runs only a few miles from this location, freezes over during the harsh Hungarian winter.