Something Unknown Is Doing We Don't Know What

The Hidden Hand: Alien Contact and the Government Cover-up

2013

Ghosts at Sea: Paranormal Shipwrecks and Curses

2014

The Haunting Lodge

2023

1013 Briar Lane

2009

Ghost Adventures

2007

Secrets of the Unknown: Curses

1987

Bigfoot: Man or Beast?

1972

Ten Eleven O Two

2016

Haunted Travels

An Honest Liar

2014

The Alien Perspective

2025

Unknown Powers

1978

Mysteries from Beyond Earth

1975

Reise ins Jenseits - Die Welt des Übernatürlichen

1975

On the Trail of Bigfoot: The Discovery

2021

怪談

2009

Hunt for the Skinwalker

2018

Ghosts in the Machine

2009

On The Trail of The Lake Michigan Mothman

2021

Liminal

2024