By Vincze Miklós from io9.com:
Rådhuset, Stockholm, Sweden
Rådhuset (Court House) station was opened in 1975 as a part of the Stockholm rapid transit system, one of the best examples of organic architecture.
T-Centralen Station, Stockholm, Sweden
The only place where all three of Stockholm’s metro lines meet has this really wonderful one platform station, opened in 1975.
(via Paolo Rosa/Flickr and Erzsébet)
Solna Station, Stockholm, Sweden (1975)
(via Wikimedia Commons/Wargklo)
Stadium Station, Stockholm, Sweden (1973)
(via Skye Christensen/Flickr and Wikimedia Commons/Allgau)
Westfriedhof Station, Munich, Germany
This station was opened in 1998, but the 11 large lamps (with red, blue, and yellow lights) were installed three years later.
(via Hannes Maurer 1 – 2)
Marienplatz Station, Munich, Germany
Marienplatz Station is one of the most frequently used stations in Munich, and was opened as part of the new S-Bahn network for the 1972 Summer Olympics.
(via Jaw3, Flickr/MrOmega and Wikimedia Commons/FloSch)
St.-Quirin-Platz Station, Munich, Germany (1997)
(via Wikimedia Commons/Florian Schütz, Wikimedia Commons/FloSch and Ian Fisher/Flickr)