From the Vault - Grand Canyon Cold Cases

From the Vault - Grand Canyon Cold Cases

Author: Locations Unknown July 21, 2025 Duration: 1:02:01
We're out of the office this week putting the finishing touches on the new studio! We'll be back with all-new shows the first week of August. Until then, enjoy a classic from the vault: "Grand Canyon Cold Cases." It's the episode that kicked off our Cold Cases series, and we've cleaned up the audio so it sounds better than ever. (Original air date: 2/17/23)

With over 52 million acres, the US National Park system is home to some of the most breathtaking natural features on the planet. Tens of millions enjoy the parks every year.  While most visits end with an amazing memory, many have not.  The official NPS cold case count stands at 29, however, independent researchers estimate between 1100 to 1600 unsolved disappearances originate in our parks.  Join us this week as we begin the mini-series, “National Park Cold Cases”.  Cases covered in this episode; Justin Richardson, Drake Kramer, and Morgan Heimer.     

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Check out our other shows on the Unknown Media Network:
Crime Off The Grid
Off The Trails
The Peanut Butter and Mountains Podcast
The Weirdos We Know  
Who Runs This Park

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Presented by Unknown Media Group.

Hosts: Mike Van de Bogert & Joe Erato

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Locations Unknown ventures into the silent, vast spaces where people have simply gone missing. Hosts Mike & Joe guide each episode through a specific case, piecing together timelines from the final known moments, through the often-frustrating official searches, and into the lingering questions that haunt families and park rangers alike. This isn't just a true crime podcast; it’s a close look at the intersection of human error, unpredictable nature, and the peculiar geography of places like dense national forests and isolated mountain ranges that can swallow a person whole. You’ll hear about the decisions made in the critical hours, the terrain that complicated everything, and the community of experts and amateurs who keep looking. The show naturally explores how these landscapes, while beautiful, hold secrets, making the wilderness itself a central character in every story. Tune in for a respectful, detailed examination of stories that end not with a conclusion, but with an open map and a deepened mystery. The podcast digs into the cultural fascination with these vanishings and what they reveal about our relationship with the wild, remote corners of the country.
Author: Language: English Episodes: 173

Locations Unknown
Podcast Episodes
The Pemberton Incident Part 1: The Disappearance of Marshal Iwaasa [not-audio_url] [/not-audio_url]

Duration: 1:10:17
On November 17th, 2019, Marshal Iwaasa, a 26-year-old from Lethbridge, Alberta, made his final known appearance after visiting his mother, before supposedly returning to his Calgary apartment. This visit marks the last c…
Meghan Marohn’s Mysterious Disappearance on a Day Hike [not-audio_url] [/not-audio_url]

Duration: 1:07:23
March 27th, 2022, marked the unsettling disappearance of Meghan Marohn, a woman from New York who was staying at a small hotel in Stockbridge, Massachusetts. Intent on a quick day hike in the area, Marohn's plans took a…
Fern Baird Vanishes on Day Hike in Idaho’s Sawtooth National Forest [not-audio_url] [/not-audio_url]

Duration: 59:02
On October 19, 2020, Fern Baird, a seasoned hiker exploring Idaho briefly, embarked on a day hike in the Prairie Creek region within Sawtooth National Forest. Signing the trail log with her name and the phrase 'To the la…
Daylenn Pua Disappears While Hiking Hawaii’s Forbidden Haiku Stairs [not-audio_url] [/not-audio_url]

Duration: 53:43
February 26th, 2015; A young man from the Big Island of Hawaii was on Oahu visiting his grandmother. He planned to hike the Haiku Stairs, also known as the Stairway to Heaven. His grandmother warned him it was illegal to…
Mystery on the Hidden Lake Trail - Washington [not-audio_url] [/not-audio_url]

Duration: 1:11:43
Located in the North Cascades of Washington State, Hidden Lake Trail is a moderately strenuous out and back trail that passes through thick cool forests, vast open wildflower filled meadows, & rocky slopes, before ending…
Yosemite National Park Cold Cases [not-audio_url] [/not-audio_url]

Duration: 1:08:53
With over 52 million acres, the US National Park system is home to some of the most breathtaking natural features on the planet. Ten's of millions enjoy these parks every year. Join us this week for an installment of, “N…
Finn Creaney - Scottish Highlands [not-audio_url] [/not-audio_url]

Duration: 1:05:23
Friday, March 25, 2022, a survival expert and resident of the Scottish Highlands, set out on a multiday backcountry hike to film an episode for his YouTube survival show. When he failed to return a few days later, a mass…
National Park Trivia Special w/ Guest Co-Hosts [not-audio_url] [/not-audio_url]

Duration: 38:49
Join us this week as Joe MC's a National Park trivia night with guest co-hosts Andy (From our Gwen Hasselquist episode series) & Reed (First time on the show). Can you correctly answer more questions than the hosts? Let…
Mike Hearon - Happy Valley - Tennessee [not-audio_url] [/not-audio_url]

Duration: 1:15:22
On the morning of August 23, 2008, a local man goes for an ATV ride on his property in Happy Valley, Tennessee, located on the border of Great Smoky Mountains National Park. When he failed to contact his family, the loca…