Mel's Hole in Ellensburg, Washington discovered by Mel Waters has lots of mystery. From Google Earth to Snopes nobody really knows much but the location.
Mel's Hole - an alleged bottomless hole in Washington state that
Episode 145: Mel's Hole and Other Gaping Pits
Mel's Hole: An Endless Mystery: Hayden, Christopher: 9781546440239
The Why Files The Hole to Another Dimension? Mel's Hole (TV
Mel's Hole: The strange Mystery of a Bottomless Hole in Washington
Mel's Hole' shrouded in mystery
Mel's Hole: An Endless Mystery: Hayden, Christopher: 9781546440239
Getting to the bottom of Mel's Hole, News
Mel Waters and the Devil's Holes
Science and Technology - When researchers send a recorder down
Fireside Phantoms
The Catalpa Project — Colorado Canyons Association