Photo: WeeJeeVee, CC BY-SA 4.0 Free places to visit in London
Photo: WeeJeeVee, CC BY-SA 4.0 
Photo: w:User:LordHarris, CC BY-SA 3.0 Petrie Museum of Egyptian Archaeology
Free, always
Photo: Ewan-M, CC BY-SA 2.0 Crystal Palace Park
Free, always
Photo: Russss, CC BY-SA 4.0 Walthamstow Wetlands
Free, always
Photo: Photograph by Clem Rutter, Rochester, Kent. (www.clemrutter.net)., CC BY-SA 3.0 Granary Square
Free, always
Photo: Mark Hogan from London, UK, USA, CC BY-SA 2.0 Regent’s Canal towpath
Free, always
Photo: Chemical Engineer, CC BY-SA 4.0 Lincoln’s Inn Fields
Free, always
Photo: Jack Gavigan, CC BY-SA 3.0 Saatchi Gallery
Free, always
Photo: This image was produced by me, David Castor (user:dcastor). The pictures I submit to the Wikipedia Project are released , CC0 Royal Courts of Justice
Free at certain times
Photo: Diliff, CC BY-SA 3.0 St Bride’s Church
Free, always
Photo: Thomas Nugent, CC BY-SA 2.0