Mysteries of the Abandoned (2017)

Name: Mysteries of the Abandoned
Genre: Documentary
Rating: 7.4
Cast: Kasper Michaels

Documentary

Documentary series investigating why some of the world's most advanced architectural achievements were abandoned.

IMDb rating: 7.4 (924 votes)
Episode average: 6.7 -0.7 vs IMDb
Seasons: 11
Streaming (US): HBO Max
Language: EN
Type: TV series

Rating trend: this show's seasons do not settle into one shape. Rising Shows ranks whole shows by the shape of their rating trend rather than one average score, which is how you find a show that got better rather than a show that started well.

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Ratings refreshed Oct 3, 2026 · 11 seasons indexed

Cast

Kasper Michaels Narrator (voice)

Seasons

Season 1 (2017)

7.19 avg 7 episodes 7.1 → 7.3 42 min avg

Season 1 episodes - IMDb ratings
#	Title	Rating	Votes
1	Nazi Ghost Town	7.1	61
2	Curse of Hell Island	7.1	54
3	Phantoms of Chernobyl	7.3	64
4	Wild West Apocalypse	7.0	43
5	Soviet Doomsday Device	7.3	42
6	The Tesla Conspiracy	7.2	43
7	The Devil's Road	7.3	19

Season 2 (2018)

7.26 avg 8 episodes 7.1 → 7.3 42 min avg

Season 2 episodes - IMDb ratings
#	Title	Rating	Votes
1	Armageddon Highway	7.1	35
2	Curse of the Haunted Prison	7.5	36
3	Arctic Hell Pit	7.5	32
4	Desert Ghost Fort	7.3	31
5	Conspiracy on Devil's Mountain	7.0	32
6	Secrets of the Alien Shrine	7.0	32
7	Amazon Ghost Town	7.4	33
8	Sea Fortress of Doom	7.3	32

Season 3 (2017)

6.73 avg 12 episodes 4.9 → 6.9 42 min avg

Rollercoaster

Season 3 episodes - IMDb ratings
#	Title	Rating	Votes
0	Chernobyl's Deadly Secrets	4.9	49
1	Doomsday at Dragon's Teeth	6.5	29
2	Nightmare on Blood Mountain	7.0	27
3	Tower of Death	7.2	28
4	Underwater Ghost Prison	6.7	26
5	America's Doomsday Town	6.8	24
6	City of the Damned	7.1	26
7	The Town That Disappeared	7.1	29
8	Twisted Relics	6.4	12
9	Nazi Death Star	7.4	25
10	Secrets of Alien Stonehenge	6.7	20
11	The Real Shawshank	6.9	17

Season 4 (2019)

6.80 avg 9 episodes 7.2 → 6.8 47 min avg

Season 4 episodes - IMDb ratings
#	Title	Rating	Votes
1	World's Strangest Ghost Towns	7.2	32
2	Secret of Supervillain Island	6.5	31
3	Escobar's Castle	6.6	30
4	Labyrinth of the Dead	6.6	24
5	Treasure of Outlaw Valley	6.8	25
6	Alaska's Fort Apocalypse	6.9	23
7	Alien Hell Portal	7.2	28
8	Pompeii's Gate to Hell	6.6	24
9	Haunting on Plague Island	6.8	27

Season 5 (2019)

6.66 avg 9 episodes 7.0 → 7.0 42 min avg

Season 5 episodes - IMDb ratings
#	Title	Rating	Votes
1	Jungle of the Damned	7.0	26
2	American Atlantis	6.9	27
3	Haunting of Heartbreak Castle	6.6	22
4	Kingdom of the Vanished	5.8	19
5	Journey to Outcast Island	6.4	20
6	Secrets of the Doomsday Caves	6.5	20
7	The Devil's Prison	6.5	20
8	Curse of Satan's Catacombs	7.2	22
10	Nazi Wastelands	7.0	10

Season 6 (2020)

6.51 avg 11 episodes 7.1 → 6.4 48 min avg

Season 6 episodes - IMDb ratings
#	Title	Rating	Votes
1	The World's Strangest Disaster Zones	7.1	21
2	Swamp of Despair	6.8	23
3	End Times on Lake Michigan	6.7	22
4	Hell on Blood Island	6.8	20
5	Florida Doomsday Castle	5.8	18
6	The Killer in the Castle	6.1	19
7	Towers of Blood	6.4	20
8	The Thing on Hell Mountain	6.4	18
9	Anarchy on Ireland's Alcatraz	6.3	19
10	House Of Horror	6.8	20
11	Nightmare at Fort Paranoia	6.4	19

Season 7 (2020)

6.73 avg 11 episodes 7.5 → 6.9 52 min avg

Season 7 episodes - IMDb ratings
#	Title	Rating	Votes
1	Into the Murder Labyrinth	7.5	25
2	American Ghost Park	7.2	25
3	Secrets of Mafia Island	6.7	23
4	Greatest Icons	7.0	24
5	Factory of Death	6.6	21
6	Ghosts of Black Mountain	6.6	20
7	The Doom of El Dorado	6.6	19
8	Ruins of the Rust Belt	6.6	17
9	Fortress of the Spy	6.2	17
10	Mystery of the Alien Base	6.1	21
11	Ghosts of the Cursed Castle	6.9	26

Season 8 (2021)

6.56 avg 12 episodes 6.6 → 8.0 46 min avg

Season 8 episodes - IMDb ratings
#	Title	Rating	Votes
1	The Good, the Bad, and the Abandoned	6.6	20
2	Ruins of Disaster Park	6.8	22
3	Fortress of Nuclear Secrets	6.8	24
4	Plague on Hell Island	6.3	17
5	Florida Death Fortress	6.3	15
6	Hollywood vs. Nazis	6.7	17
7	Hitler's Nightmare Palace	6.3	15
8	Alien Ghost Tower	6.2	16
9	Russian Mafia Resort	5.6	18
10	Ghosts of Mount Fortune	6.5	16
11	Chinese Nuclear Box	6.6	15
30	Rock 'N' Roll Island	8.0	12

Season 9 (2022)

6.50 avg 22 episodes 6.6 → 6.4 46 min avg

Season 9 episodes - IMDb ratings
#	Title	Rating	Votes
1	Derelict Housing of Protest	6.6	14
2	The Beached Leviathan (Castaway of Soviet War)	6.6	15
3	Desolation of Ponte City	6.7	14
4	Bangkok's Ghost Tower	6.4	15
5	Ruins of the Nazi Resort	6.8	15
6	Romanian Royal Desolation	6.7	13
7	Ruins of the Zoo Fortress	6.8	16
8	Hidden Hell of Angel Island	6.5	15
9	Ghost Village of Nazi Invaders	6.5	14
10	Remnants of Traitor Chateau	6.7	14
11	Remnants of Alien Contact	6.5	14
12	Psychiatric Ruins of Scotland	6.4	12
13	Desolate Remnants of Agdam	6.2	13
14	Hidden Tunnels of Gibraltar	6.3	13
15	Remnants of Rocket Complex	6.2	13
16	Secret Vaults of Scotland	6.5	14
17	Ruins of Variety Theater	6.5	13
18	Curse of Cowboy Mountain	6.3	12
19	Castle of the Nazi Occult	6.5	13
20	Urban Ruins of Varosha	6.4	12
21	Historic Remains of USS Hornet	6.4	12
22	Liberia's Tower of Ruin	6.4	12

Season 10 (2022)

6.75 avg 16 episodes 6.9 → 6.4 40 min avg

Season 10 episodes - IMDb ratings
#	Title	Rating	Votes
1	Penthouse Palace	6.9	17
2	Castle Kingdom	7.1	16
3	Rock N' Roll Island	6.9	16
4	K-Pop Dreamland	7.0	15
5	The True Cross	6.7	13
6	Blues Prison	6.6	15
7	Fake News Fortress	6.8	14
8	Turkish Wonderland	6.6	16
9	The Montauk Conspiracy	7.2	15
10	The Ruins of Troy	6.3	15
11	Hell Island	6.8	15
12	The Ruins of Archaeopolis	6.8	15
13	Korea's Joan of Arc	6.6	11
14	Gunslingers and Gangsters	6.8	15
15	Gangbusters and Gun Battles	6.5	11
16	Propaganda Palace	6.4	9

Season 11 (2024)

7.26 avg 5 episodes 7.2 → 7.8 41 min avg

Big finale

Season 11 episodes - IMDb ratings
#	Title	Rating	Votes
1	Hunt for the Nazi Gold Train	7.2	14
2	Schindler's Deception	7.0	9
3	Operation Just Cause	7.2	13
4	Defenders of the Panama Canal	7.1	10
6	The Aviatrix's Sanctuary	7.8	9