I am known for a unique feature, flowing in a direction that surprises many. What am I, a river that defies convention?

Category: Geography · Difficulty: hard

Hint: Think of a river that was engineered to change its flow.

Answer

The Chicago River

Explanation

The Chicago River was famously reversed in the early 20th century to improve sanitation and prevent pollution in Lake Michigan.

This is a hard geography riddle — a tricky one that takes a little thought. The answer is The Chicago River.

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