The Abbey of Mont Saint-Michel is a stunning medieval abbey located on a rocky island in Normandy, France. It is famous for its unique architecture and dramatic tides, which can vary greatly, sometimes isolating the island from the mainland. The abbey was founded in the 8th century and has served as a place of worship, a fortress, and a pilgrimage site. The island is also home to a small village, which features narrow streets and historic buildings. Visitors can explore the abbey's impressive Gothic architecture and enjoy breathtaking views of the surrounding bay. The site is a UNESCO World Heritage Site, attracting millions of tourists each year.