Mont-Saint-Michel bay and Abbey, UNESCO World Heritage Site, Manche department, Normandy region, France, Europe

abbey bay manche normandy france europe tidal island medieval architecture tourism travel historical site scenic view landscape coastal skyline unesco pilgrimage cultural heritage vacation exploration nature geography religious site old town castle fortress waterfront beach day trip wanderlust adventure aerial view maritime picturesque tourism attraction natural phenomenon low tide historic european landmarks architecture roads bridges ancient walls cultural tourism ethereal scenery iconic sites tranquil serene beautiful landscapes travel guide