In great cities of the world, humanity congregates, and commerce, culture, and cosmopolitan sophistication blossom in their gardens. But in the shadows that lie beyond the broad boulevards and glare of electric lights, great cities give birth to something else. In these shadows thrives a dim underworld, peopled by nefarious characters brought together from every godforsaken corner of the globe. Can a lone policeman make a stand for decency against the godless denizens of New York’s most loathsome slum, or will he find himself consumed by the filth and depravity of nameless cults?

A brilliant college student rents a room in an old house with a witch-haunted past. His obscure studies consume his mind as strange nighttime noises drive him to despair, and terrifying nightmares become waking visions. Is he going mad, or have his dreams somehow crossed over into reality?

Dark Adventure Radio Theatre celebrates Houdini’s enduring legacy: Journey with us back to a time before the war, as Houdini searches for his next great illusion in exotic Egypt. His quest to master the Orient’s mysteries leads him to temples deep beneath the desert sands, and into the clutches of fearsome Bedouins. Not even the great Houdini can escape the thrilling and horrifying secrets which have lurked for untold millennia under the pyramids in “Imprisoned with the Pharaohs”!

A young man’s journey takes him to a dilapidated sea-front town, rife with deformed characters and ungodly secrets. Can he escape the terrifying town with his life, or will the sinister residents of Innsmouth and their hellish allies drag him down to a horrid fate beneath the waves?

A random murder in a public park. An artist wracked by fantastical and haunting dreams. A police inspector confronting the depraved rites of a voodoo cult. Intrepid sailors pitted against a diabolical monstrosity risen from the bottom of the sea. And one man, doomed to understand that such things foretell madness and the end of mankind.

The hills of Western Massachusetts contain dark and terrible secrets. Strange families keep to themselves and practice rites of ancient and unspeakable black magic. These dreadful and unholy rituals give birth to a monstrosity beyond imagination, a monstrosity that threatens mankind itself!

A student of Native American lore investigates Yig - the shadowy snake god of an extinct tribe of the Great Plains. His investigation uncovers an account from 1889 of settlers homesteading in the Indian Territories of Oklahoma. A pervasive fear of snakes nudges a simple settler towards madness. Are his fears of the dreaded snake god's curse just the result of hearing old stories, or is a new story unfolding as Yig's curse takes hold?

An escaped madman. Unspeakable research into the blackest depths of the occult. Shadowy figures ruthlessly pursuing unholy secrets. Will a young man’s thirst for knowledge push him over the brink to madness, or will it lead him to a fate far, far worse?

A meteorite from cosmic space falls to earth on a backwoods Massachusetts farm. The space rock possesses peculiar qualities and mystifies even the brightest university scientists. But it soon becomes clear that this is no ordinary meteor, as its otherworldly influence unleashes a creeping wave of despair, death, and decay into the land and its inhabitants.

Screams ring out in a madhouse as a man shoots his best friend in cold blood. What drives him to such a desperate act? Greed? Jealousy? Madness? Or a woman? A woman said to have mystical powers, in league with the darkest forces of the cosmos? Is the gunman’s testimony the invention of a calculating killer, or is he another victim of a supreme evil that lurks unseen among us?

The ocean's imponderable depths contain mysteries far beyond the grasp of mortal men. From the adventurous mariners of ancient times, to simple fishermen of our own New England of yesteryear, mankind has found the seven seas to be both the source of life, and a watery grave. When man seeks to delve too deeply into that abyss, what appalling secrets will rise to the surface? And what will mankind do when faced with the unnamed horrors of the deep?

An American businessman undertakes the restoration of his ancient ancestral home in England. After moving in, he's haunted by strange phenomena, apparently coming from the very walls of the legend-haunted mansion. A team of experts joins him to dig into the centuried structure's shadowed past, and its shadowy cellars. Can the investigators solve the lingering mystery of the grim and rumor-shrouded priory, or are they merely ushering in the most horrific chapter of the house's monstrous history?

A strange case of amnesia strikes down a university professor: Five years of his life vanish under a mysterious cloud. He recovers and embarks on an investigation to piece together his strange activities and nefarious associations while afflicted.

Dark Adventure Radio Theatre presents Robert E. Howard's tale of horrors in Eastern Europe in a 1930s-style radio drama. Charlie Tower seeks refuge from the horrors of the Great War in Berlin's most notorious nightclubs. There a chain of events is set in motion that will lead him across Europe to investigate the mysterious Black Stone. Is it merely a creation of superstitious peasants, or is it a nexus for hideous gods of the ancient world to set foot into ours?

A brilliant medical student dreams of bringing life to the dying - and to the dead. How far will he go to achieve his dream? Will his genius unlock the secrets of life and death, or will boundless ambition twist his noble purpose into something monstrous?