The city of Uzamal Izamal, Mexico has a very large convent. There was some talk on a plaque at the convent about them having the second largest atrium in the world. I’m not sure about that, but there were some definite points of interest at the convent besides the very large atrium:
- they had a sundial,
- the walkway up to the convent was partially made of carved stones stolen from Mayan temples,
- there were some paintings of saints that had been recently uncovered around the huge atrium; at some point in the past, some yahoos painted over the saints with whitewash so they were hidden for a while
So that was Uzamal Izamal (! darnit). Apparently they are very fond of whitewash in the Yucatan, because somewhere between Valladolid and Ticul, I found another masterpiece in the midst of being covered up.