Marvel at the newly restored facade of this iconic 12th-century cathedral, where centuries of grime have been stripped away to reveal the vivid colours and intricate carvings that medieval stonemasons and glassmakers originally intended. Step inside to explore soaring Gothic arches, luminous rose windows, and exquisitely preserved sculptures from the 1300s depicting key moments from Christ's life in their original brilliant hues.

Admire one of the most breathtaking interiors in all of Paris, where 15 towering stained-glass windows fill 670 square metres with over 1,100 glowing biblical scenes crafted in the 13th century. Discover how King Louis IX commissioned this royal chapel to house the Crown of Thorns, and uncover the remarkable story of his mother, Blanche of Castile, whose courage saved the French monarchy — her tale immortalised in the very windows around you.

Explore this formidable medieval palace turned revolutionary prison, where soaring Gothic arches and vast medieval kitchens hint at its origins as a seat of royal power. Walk the same stone corridors where Marie Antoinette spent her final 76 days before her execution, and hear the gripping stories of the insurgents whose fates were sealed within these walls during the French Revolution.