Podcast:99% Invisible Published On: Wed Dec 14 2016 Description: The urban grid of Salt Lake City, Utah is designed to tell you exactly where you are in relation to Temple Square, one of the holiest sites for Mormons. Addresses can read like sets of coordinates. “300 South 2100 East,” … Continue reading → Subscribe to SiriusXM Podcasts+ on Apple Podcasts to listen to ad-free new episodes and get exclusive access to bonus content.