Twisted Colossus

Twisted Colossus is a steel roller coaster located at Six Flags Magic Mountain in Valencia, California. Originally designed and built by International Amusement Devices, the roller coaster opened as Colossus, a dual-tracked roller coaster, on June 29, 1978. It was the tallest and fastest wooden roller coaster in the world and the first with two drops greater than 100 feet (30 m). Colossus became w... (Wikipedia)