Explore the farthest reaches of Antarctica in Mountains of Madness, the second expansion for Eldritch Horror. Inspired by H.P. Lovecraft's novella about an Antarctic expedition ravaged by inhuman, prehistoric creatures, this expansion allows you to trace the doomed expedition's path and enter the immense City of the Elder Things. What happens in Antarctica has worldwide repercussions freshly-awakened horrors are spreading across the globe. Monsters and mysteries are surfacing in areas long considered safe.