Located 80 feet below ground in a real limestone cave, the world’s longest walk-through haunt is made even more creepy thanks to some 30,000 live bats.
Photo courtesy of Michael Burge / The Lewisburg Haunted Cave

One of Atlanta’s favorite haunts, Containment Haunted House encompasses 26 shipping containers linked together into a terrifying maze of unusual scares.
Photo courtesy of Containment Haunted House

Visitors brave enough take on the haunts at Dead Acres Haunted Hoochie, located outside of Columbus, will be touched, grabbed and shoved during the self-proclaimed "darkest show on Earth." While there isn't an official age restriction, the gruesome nature of the scenes paired with an obsession for chainsaws means this one is certainly not fit for children.
Photo courtesy of Dead Acres Haunted Hoochie

Kersey Valley Spookywoods is celebrating 33 years of haunts in 2018. Eerie sets and creepy costumed characters set the scene for terror.
Photo courtesy of Justin Reich / Kersey Valley Spookywoods

Dark Harbor gets its extreme factor from its setting - the iconic Queen Mary, drenched in legend and oozing with a sordid past. Regarded as one of the most haunted places on Earth, the Queen Mary’s Dark Harbor is a thrill-seekers’ delight, blurring the lines of history and hysteria. All in all, passengers aboard the Queen Mary this Halloween have six blood-curdling mazes, multiple stages and one-of-a-kind hauntexperiences to explore.
Photo courtesy of Queen Mary

Haunted Overload in New Hampshire does an excellent job of providing various levels of scares, so everyone can enjoy. They pull out all the stops for Haunted Overload, a fully immersive (and terrifying) haunted trail through the New England woods.
Photo courtesy of Haunted Overload

Atlanta's Netherworld earned a nomination for Best Haunted Attraction for its incredible sets, animatronics, special effects and make-up created by professionals in the film and television industry. Thrill-seekers come from around the country to experience this warehouse-sized haunt divided into two themed areas: The Awakened and Subject: Unknown.
Photo courtesy of Netherworld

Nashville Nightmare stages four haunted houses inside it's 50,000 square foot facility: Night Terrors, Horror High, Fairy Tale Hell and Industrial Undead. The acting and costume quality are both top notch, and the haunts engage all the senses.
Photo courtesy of Nashville Nightmare

This haunted attraction in El Paso opened in 2012 and describes itself as “the abyss of ultimate terror. It’s not recommended for the faint of heart.
Photo courtesy of The Massacre on Marshall Road

This Tampa Bay independent horror park returns for its fourth year to petrify area residents with three brand new attractions for 2018: Rage 3D, Demons Revenge and Zombie Paintball Assault. Deadwoods, Blackpool Prison and Infected: Ground Zero will make their return and challenge guests to become a part of the story, with a truly interactive experience.
Photo courtesy of SCREAM-A-GEDDON