Since 1997, Collett’s has been expertly organising exceptional walking holidays in Europe’s most spectacular alpine regions.

Today, the Appalachian Mountains are one of the premier hiking destinations in the U.S. With incredible landscapes and dramatic peaks, it's easy to see why people love this scenic range. However, this ...

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Why it's incredible: The landscape looks crumpled and folded from above. Iran's folded rocks are rugged mountain ridges and valleys to the southwest of the Caspian Sea. They are an extension of the ...