Minnehaha
Site: Sioux Falls
Location: Comunity Play House
Type: Haunting
Evidence: No physical evidence, many sightings

In the Play house there is said to be a ghost.  He is called Lary, a former janitor whpo commited suicide.  He messes with objects and is said to be nice.  Many people, including most workers seem to believe in him.  There has yet to physical evidence of him. 
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Site: Sioux Falls
Location: Washington High School
Type: Haunting
Evidence: very little, more than likely urban myth

The High School has been around for a long time in Sioux Falls, and many in town have called it a second home.  There seems to be two ghosts here. One is a traditional theater haunting, and the other seems to be a hall roamer.  Both are said to be active during all hours, at odd times.  The theater one is a friendly spirit who messes with soundboards and props.  The othe one is the type that shows up, then quickly leaves.
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Site: Sioux Falls
Location: Actors Studio / Rainbow Bar & Grill
Type: Haunting
Evidence: Stories, though very scetchy at times

A man who left for war came back to the Bar to find his wife in the arms of another man, in a fit he killed him.  His ghost now seems to be seen and heard whistling Twinkle Twinkle Little Star.  This seems to be more of a classic WWII story than a true haunting.  I will be reasearching this one in the future.
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Site: Sioux Falls
Location: Woodland Cemetary
Type: Orbs/ Haunting
Evidence: Very little to none.

A few people tell of orbs at night and os roaming spirits.  Nothing has been documented, and there are many pranks played here, making it a hard place to gather evidence.  If you have more info on this let us know.  A very likely fake haunt.
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Site: Brandon
Location: Powerplant, East of town
Type: Poltergeist
Evidence: Obvious noises and movement, cause unknown

There are many sounds and odd movements seen here.  Objects being missplaced, then found (forgetfullness?), and many, many sounds.  The sounds could be anything from ghost to shifting of materials in the building.  An EVP test needs to be done here, along with a Medium.  A great sight for activity of some sort.