Priority access to Sainte-Chapelle (Gothic chapel, 15m stained glass with 1113 biblical scenes, Crown of Thorns relics) and Conciergerie (Revolution prison, Marie Antoinette cell chapel). Histopad AR tour (French/English/Spanish/German/Italian/Chinese). Sainte-Chapelle 9am-5pm; Conciergerie 9:30am-6pm. Wheelchair accessible; all ages, under 18 with adult. No large bags.