Not exactly a "Church", but holds the LDS General Conference twice a year... a BIG event for the Mormon Church where the Prophet, Apostles and other General Authorities speak to members.
Waterfall that cascades down the front of the building. Fed by underground water source found during excavation.
http://www.flickr.com/photos/mark6ma...n/photostream/
Rooftop gardens. Mimic mountain landscape of surounding Wasatch Mountains and Valley.
http://static.panoramio.com/photos/original/2267860.jpg
Inside the 21,000 person assembly hall.
http://ldswhy.com/qa/wp-content/uploads/2009/09/gcl.jpg
http://1.bp.blogspot.com/_NAOmvK-x9s...nce+center.jpg
http://lds.org/placestovisit/eng/vis...ference-center