Mysterious structures and abandoned islands reveal dark histories.
Discover headless skeletons, undersea craters, and an island full of dolls.
Explore a volcanic island, a decaying mansion, and a Cold War base.
Investigations into mass graves, rumors of mysterious flying objects, dinosaur remains, and strange ritual artifacts.
Uncover the ruins of an unknown civilization and a long-lost temple.
Skeletal remains, a spider discovery, and thousands of dead seals.
Terraces shrouded in mystery; hundreds of human remains; a blood-red beach.
Findings include a volcanic island, burials, a computer, orcas vs. sharks.
Abandoned structures are found; Havana Syndrome; a long-lost island.
Findings include legendary shipwreck, military structures and stone disks.