Complex sentence: On the 2nd floor is BaseCamp, home to the 164'climbing wall affixed to the exterior, east facing facade and rising 16 stories to the building's crest.
Split into simpler sentences: On the 2nd floor is BaseCamp, home to the 164'climbing wall. The wall is east facing, affixed to the exterior of the building, and rises 16 stories to the building's crest.