The Bridgewater Triangle is an area of about 200 square miles (520 km2) within southeastern Massachusetts in the United States,[1] claimed to be a site of alleged paranormal phenomena, ranging from UFOs to poltergeists, and other spectral phenomena, various bigfoot-like sightings, giant snakes[2] and thunderbirds.[2] The term was coined by New England-based cryptozoologist Loren Coleman.[2]