Castle
In 1644, these defenses failed to save Sheffield Castle
Archaeologists excavating the historic Sheffield Castle site have uncovered rare 17th-century wooden stakes, believed to be defenses from the English Civil War.
2,800-year-old fortress surfaces for the second time in 51 years due to drought
Severe drought in Turkey's Keban Dam in Tunceli revealed the military barracks of the ancient Pertek Castle, which emerged for only the second time since the dam started operating 51 years ago.
Leonardo da Vinci's secret passages discovered beneath Sforza Castle
One of the discoveries is a tunnel that connects the Sforza Castle to the nearby church of Santa Maria delle Grazie, which has long been the subject of legends and speculation.
