Skiles Test Nature Park, sometimes called Skiles Test Nature Area is a park on the east side of Indianapolis, Indiana, United States. It is in the northern trailhead of the and loved by hikers, bikers and nature enthusiasts. The land, originally owned by millionaire , was willed to Indianapolis after his death. His house is supposedly a haunted house known as the House of Blue Lights. Skiles Test, a local business man, lived on the property from 1913 to 1964. The property once had a miniature railway and a pool with bathhouses, elevators, and high dives.