This is very much a work in progress. (As evidenced by the repeating entries you might see below.) Anyway, here are 16 random hexes.
2701
17 irrational space aliens herd a group of 15 Red Men into a small metal bunker.
4 Spawn of Shub-Niggurath (AC 12, MV 90, HD 3, Chaotic): a Black insectoid with a scaled hide, multiple/insectile eyes, and a suckered mouth. Immune to heat/fire.
2702
Monastery of 71 Ulfire Men led by a Neutral 7th-level Sorcerer.
Spawn of Shub-Niggurath (AC 15, MV 120, HD 6, Chaotic): a Dolm ooze/slime with a feathered hide, 3 eyes, and a beaked mouth.
2703
Spawn of Shub-Niggurath (AC 13, MV 60 [land] / 60 [fly], HD 3, Neutral [intelligent]): a Yellow fungoid with a feathered hide, 6 eyes, and a beaked mouth. Immune to poison.
2 Primordial Ones.
2704
Bipedal humanoid robot (AC 18, MV 120', HD 8) carrying a spear, with a single spotlight eye in the center of a cylindrical head. It is dragging a dead velociraptor behind it. It has learned how to hunt by spying on humans, but doesn't understand what to do with the dead animals: it just drags them back to its cave.
Citadel of 76 Purple Men led by a Neutral 5th-level Fighter.
2705
Spawn of Shub-Niggurath (AC 12, MV 180 [land] / 120 [swim], HD 2, Chaotic): a Green arboreoid with a scaled hide, no eyes, and a toothed mouth.
Spawn of Shub-Niggurath (AC 19, MV 120 [land] / 120 [fly], HD 3, Chaotic): a Bone plant with a smooth hide, multiple/insectile eyes, and a circular gaping maw.
2706
The bodies of countless Dolm Men spill out of a door set into the side of a mountain and completely fill the 10' wide shaft leading into the underground. Obscured by the bodies are ancient Snake Men runes describing 2-8 random sorcerous rituals.
Village of 297 Red Men ruled by a Chaotic 8th-level Fighter.
2707
Village of 285 Green Men ruled by "the King of Lords," a Neutral 4th-level Sorcerer.
4 Snake Men attempt to repair a time machine. The Snake Men and their collection of high-tech gadgetry are incomprehensible to characters with an intelligence score less than 18.
2708
Village of 286 Black Men ruled by a Lawful 11th-level Fighter.
A Bone Man (AC 3, MV 60', HD 1+1, Lawful) and a Jale Women (AC 9, MV 120', HD 1+1, Neutral) explore the badlands in search of alien technology for their war tribe.
2709
A large bird of prey stalks the players. After 1-3 hours it will turn and fly off into the distance. The bird does not attempt to hide its presence.
2 Shoggoths.
2710
Castle of 62 Blue Men led by "the Reflection of the Awake," a Chaotic 6th-level Sorcerer.
1 Deep One.
2711
Spawn of Shub-Niggurath (AC 13, MV 60 [land] / 120 [fly], HD 6, Chaotic): a Bone amoeboid with a scaled hide, 5 eyes, and a circular gaping maw.
Village of 130 Dolm Men ruled by "The Master of the Universe," a 1st Level Fighter. He wields a magic sword in battle: on command the sword grants +20 HD, and the saving throws of a 20th level Fighter. Only those chosen by the powers of the Grey Castle may hold aloft the magic sword.
2712
3 Mutant Paleoscincus (AC 24, MV 30', HD 6, neutral). Feathered Orange hide. Suckered mouth. Immune to cold. Immune to surprise.
A massive snake shaped citadel coils around the peaks of a craggy mountain. Within 22 Bone Man are led by a Chaotic 16th-level Sorcerer. He is planning the total conquest of Carcosa.
2713
A large space alien bomb stands upright in the plains, weathered to the point where it is merely the suggestion of a bomb: 1-6, inert; 7-9, still live, disturb it and it will explode (Save vs. Death if within 30' - save equals 2D10 damage, failure is death); 10, actually a space capsule - contains ancient body in space alien battle armor.
Spawn of Shub-Niggurath (AC 18, MV 90' / 120' [swimming], HD 3, Neutral [intelligent]): an orange anthropoid with scaly skin, two yellow eyes, and a toothed mouth. One of its arms is an oversized claw. In its other hand it carries a green mace.
2714
1 Ulfire Jelly.
Village of 260 Green Men ruled by a Neutral 4th-level Fighter.
2715
1 Sabertooth Tiger (intelligent).
Spawn of Shub-Niggurath (AC 14, MV 120, HD 3, Neutral [unintelligent]): a Yellow anthropoid with a scaled hide, 4 eyes, and multiple mouths.
2716
Monastery of 63 White Men led by "the Judge of Autumn," a Chaotic 5th-level Sorcerer.
Trails of small insects converge on the rocky husk of a massive dead insect. Within an inter-dimensional traveler to Carcosa lays shackled to the ground. Insects crawl in and out of his body. A sorcerer and his minions are in the middle of casting the ritual Canticle of the Crawling God. They will summon the Crawling God in 1-3 hours.