Pravčická Brána is a natural sandstone arch located in the Czech Republic, specifically within the Bohemian Switzerland National Park. It stands at 16 meters high and 26.5 meters wide, making it the largest natural rock arch in Europe. The arch is a popular tourist destination, offering stunning views of the surrounding landscape. The formation of Pravčická Brána dates back to the Cretaceous period, around 90 million years ago. The area is characterized by unique rock formations and diverse flora and fauna, attracting nature lovers and hikers. Visitors can explore various trails that lead to the arch and enjoy the scenic beauty of the national park.