Adults-only summer camps

Roger Daltrey of The Who sings along with a Rock 'N Roll Fantasy Camp student. Staffed with major rock stars and experienced counselors, musicians of all experience levels are welcomed to attend and unleash their hidden rock star potential. (Rock 'N Roll Fantasy Camp )

Adult campers rock out to instructor Bret Michaels' tunes at Rock 'N Roll Fantasy Camp in Las Vegas. (Rock 'N Roll Fantasy Camp )

Motley Crue rocker Slash teaches campers some riffs at the Rock 'N Roll Fantasy Camp in Las Vegas. At the end of their stay, campers get to perform at the MGM Grand Hotel. (Rock 'N Roll Fantasy Camp )

After a weekend long stay at Zombie Survival Course, campers leave knowing how to use melee weapons, cross bows and firearms as well as how to collect, prepare and store emergency supplies. A team of experts will even prepare you on how to acquire transportation by hot wiring a car. (Zombie Survival Course)

A camper and instructor at Zombie Survival Course camp in New Jersey learning to hot wire a car in case of apocalyptic emergency. (Zombie Survival Course)

"I can almost guarantee you there aren't many camps that will teach you how to hot wire a car," Zombie Camp owner Mark Scezla told FoxNews.com. (Zombie Survival Course)

Students at Zombie Survival Course in New Jersey learn about first aid in case of a zombie bite. (Zombie Survival Course)

Zombie Survival Course campers learning to defend themselves with artillery in case of apocalypse. (Zombie Survival Course)

Campers at Zombie Survival camp learn to defend themselves with a crossbow. With a team of NRA-Certified firearm instructors, martial arts instructors and certified personal trainers this camp will make sure you are ready and prepared to survive at any time. (Zombie Survival Course)

Students at the Coney Island Sideshow School learning how to lie on a bed of nails. Students learn acts like fire eating, snake charming, glass walking and sword swallowing. (Norman Blake/CIUSA)

A student at the Coney Island Sideshow School learning to swallow fire. (Norman Blake/CIUSA)

Students fire breathing at the Coney Island Sideshow School. (Norman Blake/CIUSA)

Students at the Coney Island Sideshow School learning how to walk on glass. (Norman Blake/CIUSA)