County Hall is the former residence of London County Council and the GLC (Greater London Council). It is located on the South Bank of the River Thames next to the London Eye.
Today it is home to the London Aquarium as well as hosting exhibitions and events and providing accommodation.
Nearest stations:
OG: London Waterloo 0.35km
UG: Westminster 0.38km
UG: Waterloo 0.44km
Always check details regarding opening hours, accessibility and pricing before travelling.