The Digital Ark: Early Modern Collections of Curiosities in England and Scotland, 1580-1700
Porta Santa
Rome (Settlement), Italy
View Larger MapDescription of institution: Any one of four doors of the four papal basilicas in that are normally sealed shut from the inside but opened during Jubilee years, when pilgrims enter through those doors to gain the plenary indulgence connected with the Jubilee. URL:http://en.wikipedia.org/wiki/Holy_door