Holiday Out RV park is located in Cumberland County on the Cumberland plateau. Here are some interesting small towns and campgrounds nearby worth exploring:
Granville TN http://granvilletn.com/
Cookeville TN http://www.cookevillechamber.com/
Sparta TN http://spartatn.com/
Rugby http://www.historicrugby.org/
Sgt Alvin C York Sate Park http://tnstateparks.com/parks/about/sgt-alvin-c-york (40 Miles- Very interesting bit of history)
Upper Cumberland County Day Trips http://www.uppercumberland.org/driving.html
Campgrounds
Cumberland Mountain https://tnstateparks.com/parks/cumberland-mountain (Very close to Holiday Out)
Falls Creek Falls https://tnstateparks.com/parks/fall-creek-falls
Standing Stone https://tnstateparks.com/parks/standing-stone
Big south Fork http://www.nps.gov/biso/index.htm
Of course not far from Crossville is the wonderful Smoky Mountain National Park, Gatlinburg,Townsend and Pigeon Forge with the country's best family theme amusement parks - Dollywood & Splash Country.
Great Smoky Mountains National Park http://www.nps.gov/grsm/index.htm
Cades Cove http://www.nps.gov/grsm/planyourvisit/cadescove.htm
Visit the Smokys http://www.smokymountains.org/
More Smokys Info http://smokymountains.com/park/
Townsend http://www.townsendchamber.org/
Gatlinburg http://www.gatlinburg.com/
Pigeon Forge http://www.mypigeonforge.com/
http://www.pigeonforgechamber.com/
Dollywood/SplashCountry http://www.dollywood.com/
Click the map below to find a Tennessee State Park: