Adventures into the Unknown #84 (1957)

Ed Lambert, a man desperate to save his struggling shop, stumbles upon a hidden house in the swamp and discovers a black bag containing stolen bank money—only to be confronted by a man who claims to be the real thief. As he grapples with guilt and fear, a harrowing dream unfolds in which he flees through the swamp, pursued by a stranger and bloodhounds, only to wake up minutes later in his armchair, realizing the entire ordeal was a vivid, lifelike dream.

In a remote English estate, a frustrated lord wages a game of wits with a clever crow that outsmarts him at every turn, always returning to its nest just out of reach. Meanwhile, in a stark contrast, Alaskan trapper Gil Bryant stumbles upon a hidden civilization beneath the Arctic ice, where time moves differently and inhabitants live in peaceful isolation, unaware of the world above.

In "Strange Holiday!", Alaskan hunter Gil Bryant is rescued by a hidden civilization beneath the Arctic ice, only to learn that thirty years have passed on the surface. Disillusioned by a world he no longer recognizes, he sets out north once more, drawn back to the underground realm he barely escaped.

In the ruins of Pompeii, archaeologist Frank Marcuse stumbles upon an ancient flask that, when opened, sends him spiraling through time to the city moments before its destruction by Vesuvius. Stranded in the past, he finds himself dressed in a toga, mistaken for a sorcerer due to the strange wrist device he wears, and must flee a mob accusing him of witchcraft. As the volcano erupts and chaos engulfs the city, Frank races to survive the catastrophe—only to wake up back in his hotel room, shaken and clutching the last drops of the flask’s mysterious contents.

When the luxurious steamboat *Mississippi Queen* fails to arrive in New Orleans on schedule, frantic search efforts reveal no trace of the vessel or its passengers—despite the river being well-traveled and the weather unremarkable. The mystery deepens as the story unfolds, leaving the fate of the boat and its crew an enduring enigma.