Koroghlu Fortress stands dramatically atop a steep cliff between the villages of Galakand and Miskinli in Gadabay, Azerbaijan. Named after the legendary national hero Koroglu, the fortress has sparked historical debate; while many attribute its construction to the 17th century, some scholars believe it dates to the 7th century during the rule of Girdman Javanshir. The ruins reveal a windmill and water reservoir inside, with local tradition holding that undiscovered underground roads may exist beneath the fortress. Despite its mountain-top location, the structure maintains a constant water supply to its reservoir, showcasing remarkable engineering. Currently undergoing restoration, Koroghlu remains one of Azerbaijan's most mysterious and captivating historical monuments.