The King of Prussia Mall outside of Philadelphia i...

The King of Prussia Mall outside of Philadelphia is the largest on the East Coast with 3 million square feet of shopping fun. The space is so large, 5 of the Great Pyramids would fit in its footprint; thank goodness for shopaholics, this space is filled with 400 shops. Bring the wee ones for a picture with Santa? Purchase Santa s FASTPASS online before your visit and skip the long line where even the nicest kids may unleash their naughty streak.