Celebrated treasure hunter Count Byron Khun de Prorok leads an expedition into the Libyan Desert in an attempt to find the lost tomb of Alexander the Great at the Temple of Jupiter Ammon. Can the Count succeed where countless others have failed, and recover one of history's greatest archeological finds? Or are some secrets buried with good reason, and those who seek them doomed to be met with madness and disaster?

As the Great War drags on, German Uboats prowl the North Atlantic, torpedoing military and civilian vessels alike. When a shipwrecked man is recovered at sea, he tells a strange and disturbing tale of his experience on a German submarine. Has the experience driven him mad, or did his voyage reveal unseen monstrosities at the bottom of the ocean?

Archeologist Nathaniel Ward returns to the Isle of Wight and recalls a strange incident from his younger days. While viewing Roman ruins on a local estate he's invited to stay for a wedding. Ward uncovers an unusual Roman artifact. Will the discovery prove auspicious for the young couple, or will it unleash a strange and terrible wrath?

A hardened archaeologist and a wealthy adventurer join forces to look into inexplicable murders in Boston. Before long, their investigation reveals a nefarious conspiracy, with tentacles reaching from their own past to the furthest corners of the globe. Will the duo and a team of trusted comrades be able to thwart an unholy alliance of dark forces, or does our very world stand upon the precipice of a terrifying doom?

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?

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?

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 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?

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.

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?

Steven Jones, an entertainment producer from Chicago, journeys to London in search of new acts. There, he discovers the strange and disturbing wax museum of Rodgers and his inscrutable associate Orabona. Is the mad artist able to conjure up the world's most horrifying waxen effigies through his occult inspirations, or is there a darker secret lurking behind the wax and paint?

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?

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?

The police inspector who once probed the mysteries of the Cthulhu cult now finds himself on a case that leads him once again into the foreboding bayous of Louisana. Will his investigations pit him against deranged cultists, the abominations they worship, or something even more evil and insidious?

For decades, an old Providence church has stood empty, silently looming in the city's skyline. As a young writer looks into the history of the abandoned church - and the cult that once resided there - an ancient horror stirs. Will he be able finally to solve a mystery shrouded in darkness, or has he merely paved the way to become its next victim?