In its 47th year, the Palo Alto Concours d’Elegance (held this time on June 30) is known for its lineup of some of the world’s best cars, from prewar classics to modern exotic models. This year’s featured marquees won’t disappoint: Cadillac is highlighted in the American sector, with a presentation from before the World Wars to 1976, and Ferrari is the European featured brand, showing cars spanning every decade.  
The event is moving to the San Mateo Event Center in San Mateo, Calif.—some 15 miles n…