Am I the first to enter?
Let me take to Beskid Sądecki mountains in south-eastern Poland. At the "golden hour", we are looking from ruins of Rytro castle into the valley of the Poprad river. It's a strange river - it originates in Slovakia, on southern slopes of the High Tatras. But in contrary to all, good Slovakian rivers, it doesn't end in the Danube and with it in the Black Sea. Instead, it turns north, cuts thru the Carpathians and flows into Dunajec and eventually into the Baltic Sea.

Here's the story (in Polish)