Wolhusen Mortuary Chapel (Lucerne, Switzerland)
“If you wander the streets of Lucerne, you’ll doubtlessly cross the Spreuer Bridge at some point. It’s probably one of Switzerland’s most notable series of Totentanz (Dance of Death) paintings with 45 of the original 67 panels still intact. However, 20 kilometers outside the city, in the quiet suburb of Wolhusen, one of the most unique Dance Of Death paintings is housed in an unassuming mortuary chapel. What makes it so special is that there are actual human skulls set into the plaster of the large mural that circles around the ceiling.” (Thanks to Howard for the tip.)