WATCH THIS: In this zoo, the humans are caged and the lions roam free...

In a zoo in Chile, thrill-seekers are driven around the nearly 5-acre habitat in a metal-enclosed truck, where six lions roam freely. If you feel lucky, you can try to tickle a lion's tummy. But you might want to use a finger you won't miss.

 



 

No word on whether this person pulled back all five fingers. (Photo: Getty Images)