Treasury of Notre Dame Cathedral

In the Treasury in Paris' Notre-Dame (entrance in choir, on right) is a reliquary designed by Viollet-le-Duc (1862) containing one of Christ's nails, a thorn from the crown of thorns and a fragment of the True Cross. The Sainte-Chapelle was originally built by Louis IX to house the crown of thorns. Also on display are valuable manuscripts, precious monstrances, crosses, chalices and Napoleon's coronation robes.