We went to
Life and Trust in New York. It's a wild Martha Graham-esque dance performance taking place simultaneously on five floors of a fabulous Financial District skyscraper. Like Sleep No More, which Emursive also produced, the actors/dancers do a scene and then scurry off to another floor to do another. You chase after them in a herd, or if you're quick, you chase after them and the herd chases after you. Or you wait around to see what else will happen in the space you're in.
There are zillions of characters and theoretically there are interlocking plots involving deals with devils and a suspiciously addicting syrup, all happening on the night of Wednesday, October 23, 1929. (Guess what happens on Thursday!) I had almost no idea what was happening in the plots, but the dancing is spectacular, and the site-specific set is, too. Go see it if you can get to New York. It may spoil you for proscenium theater, though. It's hard to get excited about theater you watch from a single chair for the whole performance, in a space that has nothing to do with the story.
(The set is ADA-compliant, but you can't chase after people on stairs if you're not very abled indeed. But you can guess where stuff is going to happen and they'll give you a guide, if you like, to make sure you're there when it happens.)