One Liberty Observation Deck Philadelphia: 48 Hour Sun and Stars Lightning Pass. Sun and Stars Lightning Pass, allows one guest two visits within a 48-hours period. We suggest one by day and one by night! This also includes admission to our special lightning pass queuing line. One Liberty Observation Deck is Philadelphia’s newest attraction. See Philly like never before from 883 feet above street level, providing amazing 360 degree views of the City of Brotherly Love and beyond. The views can only be described at "viewtiful"! Book and Save 9%: One Liberty Observation Deck Philadelphia: 48 Hour Sun and Stars Lightning Pass.