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Colorado Landmark Considered One of the Most “Physically Demanding" Hikes on Earth
The most demanding was the Flørli Stairs in Norway. The Manitou Incline was second, and Poenari Castle in Romania was third.
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The world’s most physically demanding landmark can be found in Norway – and it features 4,444 stairs
Tourists will also need top-notch physical fitness to summit the Manitou Incline hiking trail in Colorado followed by the dizzying panorama of Romania’s Poenari Castle, the site of centuries of ...