LONDON & RIVERWOODS, Ill.–(BUSINESS WIRE)–Discover® Network, Diners Club International® and Merlin Entertainments today announced a comprehensive partnership designed to provide seamless payment experiences for millions of guests at some of their most iconic London attractions, as well as across their entire worldwide portfolio. Merlin Entertainments, the global family of destinations, experiences and attractions, has been dedicated to accelerating growth by building deeper guest relationship