Free landmarks in Delft
Photo: User ja_macd at flickr.com, CC BY 2.0 Oude Kerk exterior
Free outside, paid inside
Photo: Sergé Technau, CC BY-SA 4.0 Oostpoort
Free, always
Photo: Michielverbeek, CC BY-SA 4.0 Nieuwe Kerk exterior
Free outside, paid inside
Photo: Chris06, CC BY-SA 4.0