
Sign up to save your podcasts
Or


In 1990, an enigmatic sculpture with four encoded messages written on its surface was revealed at the CIA headquarters in Langley, Virginia. One of them has remained unsolved for over 30 years.
Learn more about your ad choices. Visit podcastchoices.com/adchoices
By Spotify Studios4.6
58925,892 ratings
In 1990, an enigmatic sculpture with four encoded messages written on its surface was revealed at the CIA headquarters in Langley, Virginia. One of them has remained unsolved for over 30 years.
Learn more about your ad choices. Visit podcastchoices.com/adchoices

27,367 Listeners

7,615 Listeners

10,334 Listeners

3,529 Listeners

4,851 Listeners

4,413 Listeners

1,969 Listeners

3,373 Listeners

2,529 Listeners

1,636 Listeners

349 Listeners

1,970 Listeners

385 Listeners

1,143 Listeners

22,991 Listeners

858 Listeners

3,746 Listeners

551 Listeners

156 Listeners

11,449 Listeners

43 Listeners

939 Listeners

7 Listeners

12 Listeners

254 Listeners

2 Listeners

29 Listeners

180 Listeners

8 Listeners

9 Listeners

30 Listeners

95 Listeners

328 Listeners