I don't now
Neither, both parks and gardens are created and maintained by humans. Only an undisturbed wild area is in its natural state.
There are no zoos in Wyoming. However, you can see animals in their natural habitat in Yellowstone National Park. Yellowstone National Park has a Bison herd and an Elk herd.
A current issue in Yosemite is leave no trace. Many park visitors litter the ground with wrappers and feed the wildlife, destroying the natural habitat the park was meant to preserve.
Park barbecues are decently well maintained, it honestly depends on the park and the people who are responsible to take care of and clean them to how well they are taken care of.
Jurassic Park.
The zoo keeps animals in captivity, within artificially created habitat, whereas the sanctuary provides home to animals in their natural habitat without captivity. Zoo is a park made to put the animals on display for the public, that is it's purpose. It is an institution designed to exhibit living animals to the public in a park setting. While a Wild Life Sanctuary is a protected area reserved for animals to live a natural, undomesticated life without threat or intrusion by humans through hunting, trapping, etc. or otherwise disturbing their habitat, and protected lands.
Metropolitan Natural Park was created in 1988.
Redes Natural Park was created in 1996.
Makira Natural Park was created in 2007.
Somiedo Natural Park was created in 1988.
By the Secretary of the Interior and the National Park Service.
The area of Somiedo Natural Park is 391.64 square kilometers.