Great America is a limestone quarry on the territory of the municipality of Mořina in the district of Beroun in the Czech Republic in the Protected Landscape Area of Český kras. It is the largest of the group of local quarries. The size of the quarry is about 750 × 150 meters. The depth of the quarry is between 67 and 80 m. The bottom is at an altitude of 322 m (6th mining floor), with no other fracture in the group reaching this floor. Up to an altitude of 335 m (5th mining floor, west half of the bottom of the quarry), the quarry is flooded with a free-flowing lake. The quarry forms an impressive canyon and is a popular tourist destination. There were recorded Czech films, such as The Journey to the Southwest (1989), Limonádový Joe, Little Mermaid, Micimutr and others.