A waiter serves butterbeer in Hogsmeade at the Grand Opening of the 'Wizarding World of Harry Potter' to the public at Universal Studios Hollywood, in Universal City, California, on April 7, 2016.

Fifteen years after Harry Potter's first big screen adventure, Universal is enchanting a new generation of Muggles with its most spectacular conjuring trick yet -- a theme park in the heart of Hollywood. / AFP / VALERIE MACON        (Photo credit should read VALERIE MACON/AFP/Getty Images)