Mysteries of the Abandoned
Season 13
S13 · E1 · Feb 11, 2026
Blood Wedding Episode 1
S13 · E2 · Feb 11, 2026
The Island of No Return Episode 2
S13 · E3 · Feb 18, 2026
The Beer Riot Episode 3
S13 · E4 · Feb 18, 2026
Do-Over Ranch Episode 4
S13 · E5 · Feb 25, 2026
D-Day Castle Episode 5
S13 · E6 · Feb 25, 2026
Japan's Poison Island Episode 6
S13 · E7 · Mar 4, 2026
The Nazis' Last Stand Episode 7
S13 · E8 · Mar 4, 2026
Agent Zigzag Episode 8
S13 · E9 · Mar 11, 2026
Cold War Cover-Up Episode 9
S13 · E10 · Mar 18, 2026
The Invisible Enemy Episode 10
S13 · E11 · Mar 25, 2026
Fort Traitor Episode 11
S13 · E12 · Mar 25, 2026
Churchill's Shadow War Episode 12
12 episodes in Season 13
Some details come from TheTVDB.
Documentary series investigating why some of the world's most advanced architectural achievements were abandoned.
Your rating
Your review
Cast
22 people
Philip Grossman Creator
Total runtime 98h 0m · Episode length 42 min · Type Documentary
Show info
Premiered
April 20, 2017
Latest episode
March 25, 2026
Status
Returning series
Network
Science
Country
United States
Type
Documentary
Episode length
42 min
Total runtime
98h 0m
Original language
English
Production
Travel Channel
Production
Science Channel
Production
Procter & Gamble Productions
Production
Like A Shot Entertainment
Production
United States
Produced in
Languages
Spoken on screen
English
Some details come from TheTVDB.