This Gruesome Cave Nightmare Is One of My Favorite Horror Movies of the Century

Spooky season has arrived, delivering the perfect time for a horror movie marathon. Plenty of scary movies feature deep, dark woods, or desolate locales, but one of my favorites takes place deep within the ground. 

When a group of friends decides to go spelunking in a local cave system, they’re prepared for the inherent claustrophobia of tons of rock pressing down around them… but not for what’s been hiding in those caves. 

The Descent is a 2006 horror flick that you can watch for free with a Prime…