The Giant Dipper is a historic wooden roller coaster located at the Santa Cruz Beach Boardwalk, an amusement park in Santa Cruz, California. It took 47 days to build at a cost of $50,000. It opened on May 17, 1924, and replaced the Thompson's Scenic Railway. With a height of 70 feet (21 m) and a speed of 55 miles per hour (89 km/h), it is one of the most popular wooden roller coasters in the world. As of 2012, over 60 million people have ridden the Giant Dipper since its opening. The ride has received several awards such as being named a National Historic Landmark, a Golden Age Coaster award, and a Coaster Landmark award; it has been ranked annually in Mitch Hawker's Best Wooden roller coaster poll.