This is the Hockomock Swamp located in South Massachusetts. The swamp is located in the center of the "Bridgewater Triangle" which is an area with a lot of reported paranormal activity. There have been sightings of Bigfoot, Thunderbirds, and other strange paranormal events.
Hockomock Swamp sits in the middle of a paranormal hot spot known as the Bridgewater Triangle in southeast Mass. It's believed that Native Americans cursed the swamp centuries ago as a result of a dispute with Colonial settlers. Activity includes battle cries, drumming and singing. UFOs have also been reported in the area dating as far back as the 1700s, and a Big Foot type creature said to scavenge in local gardens.
Strange happenings in the Hockomock Swamp - an excerpt from the documentary The Bridgewater Triangle