The Magic Lantern 3D Show is a free 3D video mapping light show designed by world-renowned artist, Bart Kresa. The free show will project an array of colorful lights on the San Mateo County History Museum for a 15-minute show weekly on Tuesday nights. The show begins 8:30 p.m. through May 28, then is at 9 p.m. through Aug. 6, then returns to 8:30 p.m. through Aug. 27. Shows will continue into the fall but times will vary according to sunset.