Photo: Rodhullandemu, CC BY-SA 4.0 Free historic sites in Liverpool
Photo: Rodhullandemu, CC BY-SA 4.0 
Photo: Stephen Guy, CC BY-SA 2.0 Merseyside Maritime Museum
Free, always
Photo: BCDS, CC BY-SA 4.0 Royal Albert Dock
Free, always
Photo: Rept0n1x, CC BY-SA 3.0 International Slavery Museum
Free, always
Photo: Brit in Seoul, CC BY-SA 4.0 St George’s Hall
Free outside, paid inside
Photo: Superchilum, CC BY-SA 4.0 Mathew Street
Free, always
Photo: XeresNelro, CC BY-SA 4.0 Victoria Gallery and Museum
Free, always
Photo: Rodhullandemu, CC BY-SA 4.0 Exchange Flags
Free, always
Photo: LiverpoolJane, CC BY 4.0 William Brown Street
Free, always
Photo: Eirik Newth from Oslo, Oslo, CC BY 2.0