In my daily YouTube browsing, I found this news report by Brian Sheridan, about the UFO sighting at Presque Isle’s Beach 6 in 1966. UFOinfo.com describes the incident this way:

The witnesses, a young man & 2 young women were in a car stuck in the sand and at a picnic beach when a luminous object came down & landed on the beach not far from them. It became brilliant red and then emitted searchlight like beams of white light. The young man went with 2 park police officers to investigate; the girls left in the car then saw a non human, featureless “creature” over 6 ft tall come up to the car, frightening the occupants into hysterics. One of the women pressed the horn and it moved away. Later, various imprints were found in the sand at the landing site, as well as conical imprints 9″ in diameter arranged like footprints. There was also found a colorless syrupy liquid that did not sink into the sand.

According to Brian’s report, the Air Force researched the sighting as part of it’s Project Blue Book. This site talks about some of the unexplained cases in Project Blue Book.

There’s a part 2 to the report, but I don’t know if it sufficiently explains the story.