This gorgeous long, leafy tunnel looks like a green dream or a scene from a film - but it can actually be found deep in the forests of Ukraine. Measuring miles long, the unusual rail route in Eastern Europe is also a popular spot for lovers' promises.
I don't care about the winter part really - just the hot tub part. I have been in a hot tub when it was freezing outside, but it wasn't winter. And I've swum in a heated pool during winter. So I'm going to count this one as an accomplishment.