Man falls down a crevice

Young hobbit Frodo Baggins, after inheriting a mysterious ring from his uncle Bilbo, must leave his home in order to keep it from falling into the hands of its evil creator. Along the way, a fellowship is formed to protect the ringbearer and make sure that the ring arrives at its final destination: Mt. Doom, the only place where it can be destroyed.

Distraught, confused, and half-wild with fear, Sarah Carter emerges alone from the Appalachian cave system where she encountered unspeakable terrors. Unable to plausibly explain to the authorities what happened - or why she's covered in her friends' blood - Sarah is forced back to the subterranean depths to help locate her five missing companions.

After a tragic accident, six friends reunite for a caving expedition. Their adventure soon goes horribly wrong when a collapse traps them deep underground and they find themselves pursued by bloodthirsty creatures. As their friendships deteriorate, they find themselves in a desperate struggle to survive the creatures and each other.

Amidst a devastated landscape, two survivors discover a mysterious, moss-covered sanctuary where hope and fear collide.

Master diver Frank McGuire has explored the South Pacific's Esa-ala Caves for months. But when his exit is cut off in a flash flood, Frank's team—including 17-year-old son Josh and financier Carl Hurley are forced to radically alter plans. With dwindling supplies, the crew must navigate an underwater labyrinth to make it out.

The true story of mountain climber Aron Ralston's remarkable adventure to save himself after a fallen boulder crashes on his arm and traps him in an isolated canyon in Utah.

Trapped near the summit of K2, the world's second-highest mountain, Annie Garrett radios to base camp for help. Brother Peter hears Annie's message and assembles a team to save her and her group before they succumb to K2's unforgiving elements. But, as Annie lays injured in an icy cavern, the rescuers face several terrifying events that could end the rescue attempt -- and their lives.