Actually, tons of people will be selling seashells at the annual Philadelphia Shell Show, which is the largest of its kind in the region. There's competitions, science, jewelry, collectibles and lots of general mollusk excitement.
Where: Academy of Natural Sciences at 1900 Ben Franklin Pkwy. 19103
When: October 22, 2016 at 10:00 a.m. to October 23, 2016 at 5:00 p.m.
How much: Free with admission ($18 adults, $14 kids)