In March 1972 two Loveland police officers reported a strange animal by the Little Miami River. One later said it was a tailless iguana he shot, yet the Frogman legend gained a musical and a festival.

On October 4, 1967, witnesses including an RCMP corporal saw lights descend toward the sea off Shag Harbour, Nova Scotia. Police, the Coast Guard and navy divers searched and found nothing they could explain.

Between 1912 and 1914 settlers, officials and a railway engineer in British East Africa described a shaggy, bear-like animal the Nandi called the Chemosit. Their own journal could not agree whether it was one creature or several known ones.

From late 1948 bright green lights streaked low over New Mexico near Los Alamos and Sandia Base. A meteor expert said they were not meteors, a 1949 conference said they were natural, and the camera project meant to settle it photographed nothing.

For more than a century people have reported a long creature in British Columbia’s Okanagan Lake. The syilx people knew a lake spirit called nx̌ax̌aitkʷ long before settlers named it Ogopogo, and skeptics point to floating logs, waves and beavers.

A stretch of Lake Michigan between Manitowoc, Ludington and Benton Harbor has been called the Michigan Triangle. Two of its famous disappearances have since been found on the lake bed, and one airliner never has.

Over about 25 hours in April 1977, three Dover teenagers separately reported a thin, big headed creature with glowing eyes. We follow the sightings in order and weigh the moose, foal and prank theories.

Since at least 1913 people have reported glowing lights above Brown Mountain in western North Carolina. Two USGS studies blamed trains and cars, and a modern camera project is still trying to catch them.