Photo: Antonin Mercié, CC BY-SA 3.0 Free landmarks in Luxembourg City
Photo: Antonin Mercié, CC BY-SA 3.0 
Photo: Berthold Werner, CC BY-SA 4.0 Grand Ducal Palace exterior
Free outside, paid inside
Photo: Denise Hastert, CC BY-SA 4.0 Adolphe Bridge
Free, alwaysGëlle Fra
Free, alwaysPlace d’Armes
Free, always
Photo: Diego Delso, CC BY-SA 4.0