I couldn't chose ONE picture of a place I've been but many pictures from one beautiful place: Tallin Estonia.
It is not the obvious European destination. Unlike London or Paris, Tallin doesn't have a reputation for being big and famous but it reminded me of a place you would find written in a fairy tale.
I went to Estonia for a very quick, 12 hour trip. We took a sleeper train from Moscow, arrived in Estonia by morning, then that evening we were leaving the country bound for Russia once more. It was lovely and will forever stand out in my mind as one of the most magical days of my life.