Also located on the Île de la Cité , just few steps away from the Notre Dame de Paris , the Sainte Chapelle is a jewel of art and a royal medieval Gothic chapel, completed in 1248. The Chapel was damaged during the French revolution and restored in the 19th century. It is considered among the highest achievement of the Rayonnant period of Gothic architecture. Discover the unique stained glass windows glorified color and light . Open from 09:00 - 18:00 . Tickets from 8,50€, free for all under 18 yrs old and disabled people.