Hey Ula guidesFrance travel guidesHomeGuidesEuropeFranceNational museums free for under-18s and compact city parks for a first family visit.ParisFamily travelParis · With kidsParis with kids: things to doA sourced Paris shortlist for families: RATP child fares, Cité des enfants sessions, free under-18s at national museums, and a free hour in the Tuileries.