Sainte-Chapelle is a royal Gothic chapel on Paris’s Île de la Cité, built for King Louis IX and consecrated in 1248. It was created to house precious Christian relics, including what the king believed to be Christ’s Crown of Thorns and fragments of the True Cross. Set within the former royal palace complex, the chapel is easy to miss behind the buildings of the Palais de Justice.
The real revelation comes upstairs. Fifteen towering stained-glass windows fill the upper chapel with biblical stories and jewel-coloured light, making the stone walls seem almost secondary. The more intimate lower chapel, with its painted columns and vaulted ceiling, was originally used by palace staff and offers a striking contrast.
Book a timed ticket in advance, particularly during busy travel periods, and allow extra time for the security screening at the entrance. Visit on a bright day if possible, when the stained glass is at its most vivid; the upper chapel is reached by a staircase, so check current accessibility arrangements before your visit if needed.