United States / Colorado
Cryptids and UFOs in Colorado
Cattle mutilations, Knockers: the creatures, UFO files and strange history of Colorado, all in one place.
- 2 creatures with famous cases
- 190 Air Force UFO files
- 1 old newspaper reports
- 3 places to visit
Creatures reported in Colorado
Cattle mutilationsaka Cattle mutilation, Animal mutilationCattle found dead with neat cuts and no blood, often blamed on UFOs.
Knockersaka Tommyknockers, KnackersLittle mine spirits whose knocking warned Cornish and American miners of rich ore and cave-ins.Famous cases
- 1967Snippy the horse
Cattle mutilations · Alamosa, Colorado - 1994Tommyknocker Brewery named after the mine spirits
Knockers · Idaho Springs, Colorado
UFO files
- 190 US Air Force Project Blue Book files from Colorado, 1947 to 1969
- 13 FAA pilot reports of lights and objects over Colorado, 2007 to 2024
- Saw a strange light? Check whether it was a planet
From the old newspapers
Strange creatures, sea serpents and mystery airships reported in Colorado papers before 1927.
- 1897A message from three men lost in the sky
Cripple Creek
Browse all old newspaper reports
Places to visit
- Sasquatch OutpostBaileyA Bigfoot gift shop with a museum out back: track casts, a pinned map of trusted Colorado sightings and the infamous "Tremendous Turd".
- UFO WatchtowerHooperA viewing platform and quirky garden in the San Luis Valley, with campsites for overnight sky watching.
- Rabbit Hole AdventuresFairplayColorado outfitter offering Bigfoot night hikes and multi-day camping searches in Park County.
More about visiting in Colorado · Events and festivals
Seen something in Colorado?
Tell us what happened. Every report is read by a person before it goes on the map, and you can keep the exact spot private.
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