The Switchback Railway was the forerunner of the roller coaster. Passengers sit in a small car which trundles up a swooping railway track then performs a 180 degree turn at its summit before swooping back down on a parallel track.
1986
2012
2007
1972
1997
2011
1941
2010
1973
1993
1888
1921
1949
1956
1919
1943
2005