Out of the Abyss 6 - 2 = 4 A romp in the Biggest Cave System Ever might be fun (for somebody else) but I'm claustrophobic and dark-o-phobic! Princes of the Apocalypse 7 + 1 = 8 Climbing up the Tower of Air, however, didn't bother me. I'm not afraid of heights!
Tales from the Yawning Portal 2
Tomb of Annihilation 9