movie with creepy guy in the woods with old vehicle that does/makes drugs and the camper or trailer blows up

After a catastrophic car crash, a young woman wakes up in a survivalist's underground bunker, where he claims to have saved her from an apocalyptic attack that has left the outside world uninhabitable.

Chris crashes into a carload of other young people, and the group of stranded motorists is soon lost in the woods of West Virginia, where they're hunted by three cannibalistic mountain men who are grossly disfigured by generations of inbreeding.

A group of friends take refuge in a deserted sanatorium after they are left stranded in a snowstorm. Later, the place becomes a death trap when man-eating cannibals surround them.

While staying at a remote cabin for a week-long vacation, a group of five college friends succumb to an infectious, flesh-eating disease.

A group of friends head to a deserted Caribbean island for a surprise overnight bachelor party only to discover that the island isn't deserted. It's actually the home to a secret medical facility. Not only that, there's something wrong with the water surrounding the island...

A motocross team on their way to trial a new super-fuel head out across the desert lead by Rachel, who, unbeknownst to the rest of the group, is a survivor of the cannibal clan which menaced the Carter family several years before.

Taking an ill-advised detour en-route to California, the Carter family soon run into trouble when their RV breaks down in the middle of the desert. Stranded, they find themselves at the mercy of monstrous cannibals lurking in the surrounding hills.

When their bus is crippled on the side of a deserted road, a team of high school athletes discover an opponent they cannot defeat – and may not survive.

On a desolate country highway, two homeward-bound teens are nearly run off the road by a maniac in a beat-up truck, and later spot him shoving what appears to be a body down a sewer pipe.

A group of friends go on a camping trip; after watching a horror movie, they decide to explore the woods.