Archive index
Investigations
Browse all dossiers in the archive. Each investigation compiles documented claims, counterarguments, key figures, timelines, and source references.
151 DOSSIERS
Thunderbird Sightings
Reports of giant birds across North America — the legendary Thunderbird of Native American tradition and modern sightings of avian cryptids with wingspans up to 20 feet.
Living Dinosaurs
Reports of creatures resembling dinosaurs in remote regions — from the Mokele-mbembe of the Congo to the Ropen of Papua New Guinea — and the persistent belief that some non-avian dinosaurs survived extinction.
Mothman
A winged humanoid cryptid reported in West Virginia during 1966–1967, whose appearances were linked to the tragic collapse of the Silver Bridge.
Jersey Devil
A legendary creature said to inhabit the Pine Barrens of New Jersey, described as a winged bipedal cryptid with a horse-like head and blood-curdling scream.
Chupacabra
A cryptid first reported in Puerto Rico in 1995, blamed for livestock mutilations, whose name translates to 'goat-sucker.'
Loch Ness Monster
The legendary aquatic cryptid said to inhabit Loch Ness in Scotland, one of the world's most famous unexplained mysteries with alleged sightings spanning centuries.
Flatwoods Monster
A 1952 encounter in Flatwoods, West Virginia, where local residents reported a 10-foot-tall creature with a glowing red face and a spade-shaped head.
Bigfoot / Sasquatch
The legendary ape-like creature said to inhabit North American forests, with thousands of reported sightings but no definitive proof of its existence.
Loveland Frogman
A cryptid described as a 4-foot-tall frog-like bipedal creature reported near Loveland, Ohio, in the 1950s and again in 1972.
Fresno Nightcrawlers
Cryptid entities recorded on night vision in 2011 Fresno, California, appearing as tall white bipedal figures with features obscured by their form.