Kost Castle is a historic fortress located in the Czech Republic, near the town of Mladá Boleslav. Built in the late 14th century, it showcases a blend of Gothic and Renaissance architectural styles. The castle is situated on a hill overlooking the Lake of Kost, providing stunning views of the surrounding landscape. Today, Kost Castle is a popular tourist destination, offering guided tours that highlight its rich history and well-preserved interiors. Visitors can explore various rooms, including the grand hall and chapel, as well as the castle grounds, which feature beautiful gardens and walking paths.