Tucked into a plunging river valley amid soaring mountains, the Minaret of Jam is a striking sight. Dating to the 12th century, it's a fine example of the architectural styles of Central Asia's Islamic period and is celebrated for its detailed brickwork. The leaning tower, which was built by the great Ghurid Sultan Ghiyas-od-din, was placed on the danger list in 2002, due to a lack of staff to ensure the security and preservation of the property.

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The sites and landmarks most in danger around the world