Maiden's Tower, also known as Leander's Tower, is a historic structure located on a small islet at the entrance of the Bosphorus Strait in Istanbul, Turkey. It has served various purposes throughout history, including a lighthouse, a watchtower, and a defense fortification. The tower stands approximately 23 meters tall and features a distinctive conical roof. The origins of Maiden's Tower date back to ancient times, with its first construction believed to be in the Classical Greek period. Today, it is a popular tourist attraction, offering stunning views of the Istanbul skyline and the surrounding waters. Visitors can explore the tower's interior, which includes a café and a small museum.