Danube

THE ANSWER
"Danube Delta ESA23450088" — Photo by European Space Agency / Wikimedia Commons / Attribution
The continental artery that flows through the heart of empires.
This mighty waterway connects disparate cultures and landscapes across Europe. It has served as a border, a highway, and a source of inspiration for centuries.
Explanation
Did you know?
It passes through or borders ten different countries, more than any other river in the world.
The 5 Clues
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“I inspired a famous waltz that ignores my actual water colour.”
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“I am the second-longest river found within the European continent.”
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“I flow through four different capital cities on my journey to the sea.”
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“I originate in the Black Forest before flowing into the Black Sea.”
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“I am the iconic waterway that bisects the city of Budapest.”
lightbulbAvg Clues to Win
1.7/5
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92%