. (All photos: Dave Seminara) By Dave Seminara There is one place in the world where the Spice Girls jam with Spinal Tap, and Elvis and Barbie lie in a manger, along with Santa Claus.Welcome to Keith Holt???s strangely compelling Apple Valley Hillbilly Gardens and Toyland roadside tourist attraction outside Paducah, Kentucky.The place is an homage to hillbilly pop culture where visitors can see bi