![Hi Boy roller coaster at the construction site of Pacific Ocean Park, November, 1957, Santa Monica, Calif. - Santa Monica Image Archives - Santa Monica Public Library Digital Collections Hi Boy roller coaster at the construction site of Pacific Ocean Park, November, 1957, Santa Monica, Calif. - Santa Monica Image Archives - Santa Monica Public Library Digital Collections](https://digital.smpl.org/digital/api/singleitem/image/smarchive/7350/default.jpg)
Hi Boy roller coaster at the construction site of Pacific Ocean Park, November, 1957, Santa Monica, Calif. - Santa Monica Image Archives - Santa Monica Public Library Digital Collections
![1958-1967) -- "SEA SERPENT" ROLLER COASTER at Pacific Ocean Park (Actually built in 1924) | Ocean park, California history, Pacific ocean 1958-1967) -- "SEA SERPENT" ROLLER COASTER at Pacific Ocean Park (Actually built in 1924) | Ocean park, California history, Pacific ocean](https://i.pinimg.com/originals/5a/0d/b2/5a0db23006638302f5fcad5af94f7d98.jpg)
1958-1967) -- "SEA SERPENT" ROLLER COASTER at Pacific Ocean Park (Actually built in 1924) | Ocean park, California history, Pacific ocean
Construction of Pacific Ocean Park underway in front of the Sea Serpent roller coaster (earlier known as the Hi-Boy), November, 1957, Santa Monica, Calif — Calisphere
![Ocean Park roller coaster stops mid-ascent, 23 passengers left 'hanging mid-air' evacuated safely | Coconuts Ocean Park roller coaster stops mid-ascent, 23 passengers left 'hanging mid-air' evacuated safely | Coconuts](https://coconuts.co/wp-content/uploads/2017/06/Ocean-Park-The-Dragon-rollercoaster.jpg)
Ocean Park roller coaster stops mid-ascent, 23 passengers left 'hanging mid-air' evacuated safely | Coconuts
![10 photos from L.A.'s long-gone Pacific Ocean Park, a day out by the sea you'll never enjoy | Boing Boing 10 photos from L.A.'s long-gone Pacific Ocean Park, a day out by the sea you'll never enjoy | Boing Boing](https://i0.wp.com/boingboing.net/wp-content/uploads/2014/05/2.jpg?resize=970%2C851)