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.
1980
1969
2011
1929
2013
1905
1908
1919
1985
1968
2000
1896
1991
2006
2007
2003
1999
1995