Houska Castle is a Gothic castle located in the Czech Republic, built in the second half of the 13th century. It was constructed over a large hole in the ground, often referred to as a "gateway to Hell," which has led to various legends and myths about the site. The castle served primarily as a hunting lodge and a defensive fortification. The architecture of Houska Castle features thick walls, narrow windows, and a unique design that emphasizes its defensive purpose. Today, it is a popular tourist attraction, drawing visitors interested in its history, architecture, and the eerie tales surrounding its origins.