They can be indoor or outdoor depending where they are building the amusement park.
outdoor
an indoor stadium
Hershey Hershey Park is in Hershey, Pennsylvania.
outdoor
Outdoor
it is an outdoor plant
It is an indoor game, but can play outdoor when there is no any strong wind.
Hershey Park's Address is:Hershey Pennsylvania
Kalahari Water park is located in Sandusky, Ohio, about an hours drive from Cleveland. Kalahari Resort has an indoor water park, and outdoor water park, and a Safari Adventure Park.
100 West Hershey Park Drive Hershey PA 17033
Try the Hershey Park and Hershey PA website links below.