 The amusement zone began in 1902, as a beach and grand bath house resort at the Long Beach terminus of the "Red Car" interurban commuter electric railroad system Pacific Electric Railway southern expansion from Los Angeles.A grand bath house was constructed at the shore, scheduled to open Independence Day, 1902.The grand opening of the bath house, known later as "The Plunge", coincided with the inaugural run of the first "Red Car" from downtown Los Angeles to Long Beach on the morning of July 4, 1902 – which established service connecting communities along the line to offices and shopping in Downtown Los Angeles as well as bringing bathers and families south to Pacific Ocean shoreline recreation.