Bankside, London SE1 9TG, UK
It’s impossible to ignore the hulking 1950s architecture of the Tate Modern, slap-bang in the middle of the most-walked part of the South Bank. A visionary refurb of this former power station has resulted in an artistic behemoth with multiple gallery spaces (containing both free exhibitions and ticketed exhibitions), including the fantastic Turbine Hall for oversize installations. Outside, the Millennium Bridge leads over the Thames to the City and the great domed St. Paul’s Cathedral.