Subway stations are typically just a means to an stop,simple structures that allow a large overflow of commuters to enter and exit at will. It is less common for the design to be a destination in itself, like the popular Bockenheimer Warte subway entrance in Frankfurt, or Germany. The station,erected in 1986, was built to look as whether an archaic tram car had crash landed into the sidewalk that surrounds the station. The entrance was designed by the architect Zbigniew Peter Pininski who was inspired by René Magritte surrealist paintings. More
Source: thisiscolossal.com