Modern Marvels: Architectural Masterpieces of Manhattan Bridges (S5, E17) | Full Episode

Inside the DOD's Massive UFO Investigation | Ancient Aliens: Declassified (S2, E15) | Full Episode

WILDEST WWII Weaponry: Ft. Pigeon Guided Missiles (S2) | The UnBelievable with Dan Aykroyd

Badwater Site is SWARMING With Pythons | Swamp People: Serpent Invasion (S5)

Unbelievable Flying Saucer Encounter (Season 1) | Ancient Aliens: Origins

Unbelievable Mysteries Across the World | The Proof Is Out There

Proof of Yellowstone Supervolcano (Season 1) | Mysteries Unearthed with Danny Trejo

Lost Worlds: Peaceful Island Explodes with Devastating Force (S1, E2) | Full Episode

The Rise & Fall of the Mayan Empire | Engineering an Empire *Marathon*

The Secret of Skinwalker Ranch: The Strangest Discoveries So Far (S3, E11) | Full Episode

Swamp People: CHAOS Before the Hurricane Hits (Season 16)

Gary's Top 5 SHOCKING Finds | The Curse of Oak Island

The Curse of Oak Island: Expedition for the Knights Templar (S9, E22) | Full Episode

Divine Messages Hidden in the Stars | Ancient Aliens

The UnXplained: Extraordinary Engineering of Magnificent Structures (S2, E11) | Full Episode

Ancient Aliens: Mysterious Relics Possess Healing Properties (S6, E8) | Full Episode

Ancient Aliens: EVIL Places that are DANGEROUS for Humans *Marathon*

NEW DISCOVERY in the Swamp (Season 12) | The Curse of Oak Island

The Curse of Oak Island: Rare Religious Artifact On Lot 8 (S9, E21) | Full Episode

How Britain Built an Empire with Blood and Steel | Engineering an Empire (S1, E7) | Full Episode

Demonic Face Hidden in Explosive Smoke (Season 1) | The Proof Is Out There

Fasten-ating Clues on Lot 5 (Season 12) *Exclusive* | The Curse of Oak Island

Swamp People: Gator Hunting After Hurricane Ida (S13, E2) | Full Episode

Beyond Oak Island: Vast Riches Lost from America's Gold Rush (S3, E7) | Full Episode

The Proof Is Out There: Nuclear Waste is Creating an Army of Mutant Fish (S1, E9) | Full Episode

Decoding the Past: In Search Of The Real Frankenstein (S3, E10) | Full Episode

Modern Marvels: The GREATEST Structures Ever Built *Marathon*

4 Prehistoric Forms of Travel | Ancient Aliens

Modern Marvels: MULTI-BILLION DOLLAR Industry of Product Testing (S5, E18) | Full Episode

Ancient Aliens: Declassified | Mankind's Interstellar Origins (S2, E1) | Full Episode

Pickle is TERRIFIED of This Helicopter! | Swamp People: Serpent Invasion (S5)

5 Strange Animal Sounds *Including Bigfoot's Scream* | The Proof Is Out There

Christopher Columbus' Alien Encounter (Season 1) | Ancient Aliens: Origins

The Secret of Skinwalker Ranch: Bizarre Phenomena Caught on Camera (S3, E10) | Full Episode

The Knights Templar: Warrior Monks Fall From Grace | Lost Worlds (S1, E1) | Full Episode

How Ancient Greece Built Western Civilization | Engineering an Empire *Marathon*

3 Eyewitness Accounts of Alien Encounters | Ancient Aliens

Swamp People: Turbulent Race Against Hurricane Season (Season 16)

The Curse of Oak Island: Evidence of Shipwrecks Off Shore (S9, E20) | Full Episode

The Search for Atlantis | The UnXplained (S2, E10) | Full Episode

Ancient Aliens: Unimaginable Power Possessed by the Gods (S6, E4) | Full Episode

Ancient Aliens: Superheroes VS Aliens *Marathon*

UNBELIEVABLE Button Discoveries (Season 12) | The Curse of Oak Island

The Curse of Oak Island: Famed Treasure Hunter MISSED This Evidence (S9, E19) | Full Episode

Scary Underwater Beast Detected (Season 1) | The Proof Is Out There

Chiseling Away at the Mystery of Lot 19 *Exclusive* (Season 12) | The Curse of Oak Island

Swamp People: Hurricane Ida Shuts Down Hunting Season (S13, E1) | Full Episode

Beyond Oak Island: MILLIONS of Dollars in Missing Civil War Gold (S3, E6) | Full Episode

The Proof Is Out There: Giant Blobs and Backyard Bigfoot (S1, E8) | Full Episode

The Occult History of Playing Cards | Decoding the Past (S2, E33) | Full Episode

The Universe: CRASH LANDING on Mars *Marathon*

Ancient African Cultures & Their Alien Connections | Ancient Aliens

Was Magic Real in the Ancient World? | Ancient Aliens: Declassified (S2, E5) | Full Episode

Strange & Deadly Duels (Season 2) | The UnBelievable with Dan Aykroyd

UFO Sightings Terrify Italy | The Proof Is Out There

New Generation of DEADLY Pythons | Swamp People: Serpent Invasion (Season 5)

Nan Madol's MYSTERIOUS Ruins (Season 1) | Ancient Aliens: Origins

Buried Treasure in the Mediterranean Ocean (Season 1) | Mysteries Unearthed with Danny Trejo

Life After People: Will Humans Cease to Exist?! | Full Special

Modern Marvels: Man's DEADLIEST Weapons *2 Hour Marathon*