What would the museum of Unnatural Arcana have inside it?

@ChrisPerkinsDnD I'm writing up a museum based adventure… What would the museum of Unnatural Arcana have inside it? #dmsblock

— Enzo (@EnzoEznov) February 4, 2017

Failed magical experiments on creatures and objects (a floating chair, a dead half-fish/half-goblin creature, etc.). #WOTCstaff https://t.co/ycjw4cQgwu

— Christopher Perkins (@ChrisPerkinsDnD) February 4, 2017