The Tower, from the upper chapel:
Some shots of the many, many sculptures there, to give you a feel for things:
And they have a visiting scupture, a bronze replica of Michelangelo's Pietá, made from a cast made in 1932 from the original, which I think dates to 1499. (here's a random shot of the real thing, at The Vatican).)
A detail of the bronze one at The Grotto:
