The Paraná Delta Eye is a perfectly round island that floats around the Paraná Delta in Argentina. What created it?

Music by JuliusH "Mystery Bells - Ambient Chill Out Music"

Transcript and references available at https://thatsruddymysterious.wordpress.com/2026/04/14/s04e15-mysterious-places-parana-delta-eye-what-is-it/

in 1978 a huge city was discovered in the Amazon Rainforest. Since then, the use of lidar has allowed researchers to learn more about the society that once lived there. What happened to them?Music by JuliusH "Mystery Bells - Ambient Chill Out Music"

Transcript and references available at https://thatsruddymysterious.wordpress.com/2026/04/07/s04e14-historical-mystery-lost-city-of-the-amazon-what-happened-to-it/

Laureen Ann Rahn was 14 years old when she disappeared on April 27, 1980. What happened to her?

Music by JuliusH "Mystery Bells - Ambient Chill Out Music"

Transcript and references available at https://thatsruddymysterious.wordpress.com/2026/03/31/s04e13-missing-person-laureen-ann-rahn-what-happened-to-her/

Cleopatra, Queen of Egypt from 51 to 30 BC, died in 30 BC, but since then, her tomb has gone missing. Where is it?

Music by JuliusH "Mystery Bells - Ambient Chill Out Music"

Transcript and references available at https://thatsruddymysterious.wordpress.com/2026/03/24/s04e12-historical-mystery-cleopatras-tomb-where-is-it/

On Sunday, August 16, 1942, Lieutenant (junior grade) Ernest DeWitt Cody and Ensign Charles Ellis Adams took off in the blimp L-8 on a routine flight. Although the blimp returned to land, the crew did not. What happened to them?

Music by JuliusH "Mystery Bells - Ambient Chill Out Music"

Transcript and references available at https://thatsruddymysterious.wordpress.com/2026/03/17/s04e11-disappearance-ghost-blimp-l-8-what-happened-to-her-crew/

Captain William Kidd was a pirate in the late 1600s. It's said that he buried his pirated treasure before his death in 1701. What happened to that treasure?

Music by JuliusH "Mystery Bells - Ambient Chill Out Music"

Transcript and references available at https://thatsruddymysterious.wordpress.com/2026/03/10/s04e10-historical-mystery-captain-kidds-treasure-where-is-it/

Ben MacDhui is a mountain the in the Cairngorms Mountain range. At the summit, people have experienced strange noises, and some have even seen a large creature that has been deemed the "Big Grey Man", but what is it?

Music by JuliusH "Mystery Bells - Ambient Chill Out Music"

Transcript and references available at https://thatsruddymysterious.wordpress.com/2026/03/03/mysterious-phenomenon-big-grey-man-who-or-what-is-he/

Aimee Semple McPherson disappeared for a short time beginning on May 18, 1926. She reappeared several weeks later. What happened to her?

Music by JuliusH "Mystery Bells - Ambient Chill Out Music"

Transcript and references available at https://thatsruddymysterious.wordpress.com/2026/02/24/s04e08-missing-person-aimee-semple-mcpherson-what-happened-to-her-in-the-desert/

Morgellons Disease is a rare condition that is characterized by multicolored hairs protruding from the skin or embedded in the skin or in lesions. What causes it?

Music by JuliusH "Mystery Bells - Ambient Chill Out Music"

Transcript and references available at https://thatsruddymysterious.wordpress.com/2026/02/17/s04e07-medical-mystery-morgellons-disease-what-causes-it/

Scott and Amy Fandel disappeared from their home in Sterling, Kenai Peninsula, Alaska on the night of September 4 to 5, 1978. What happened to them?

Music by JuliusH "Mystery Bells - Ambient Chill Out Music"

Transcript and references available at https://thatsruddymysterious.wordpress.com/2026/02/10/s04e06-missing-person-scott-and-amy-fandel-what-happened-to-them/