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
Spawn of Shub-Niggurath (AC 16, MV 30 [land] / 210 [fly], HD 10, Neutral [intelligent]): a Brown ophidioid with a smooth hide, 5 eyes, and no mouth.
8 Mutant Monoclonius (AC 17, MV 60', HD 11, neutral). Suckered Blue hide. Harmed only by fire.
2702
Hidden underground lair of 43 Green zealots led by a Lawful 5th-level Sorcerer.
4 Mutant Brachiosaurus (AC 16, MV 60', HD 39, neutral). Feathered Ulfire hide. Immune to normal weapons.
2703
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.
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.
2704
Spawn of Shub-Niggurath (AC 19, MV 120 [land] / 210 [fly], HD 3, Chaotic): a Ulfire, Purple, Green and Blue arboreoid with a suckered hide, 4 eyes, and no mouth. The creature is extremely hot: 1 die damage per round to all within 20'
Mummy with lower half of body buried (HD 5, AC 5, eyes shoot 2 lasers, Save vs. Death Ray or take 5 dice of damage). It wears an emerald medallion (2000 GP). Quiescent unless the emerald medallion is disturbed. Two dead orange men lay nearby, one with a scorched hole blown in his head, the other with a scorched hole blown in his chest. 1-6 primitively armed Orange Men huddle at a safe distance discussing how to relieve the mummy of the medallion. They are not interested in treasure other than gems and technology, but will serve if offered such incentives.
2705
Village of 336 Purple Men ruled by "the Lord of Masterful Countenance," a Neutral 7th-level Sorcerer.
Spawn of Shub-Niggurath (AC 16, MV 150 [land] / 60 [swim], HD 3, Neutral [unintelligent]): a Blue batrachian with a suckered hide, no eyes, and a toothed mouth.
2706
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.
Castle of 23 White Men led by a Chaotic 4th-level Sorcerer.
2707
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.
Citadel of 46 Red Men led by a Lawful 7th-level Fighter.
2708
4 Primordial Ones.
1 B'yakhee.
2709
2 Dolm Worms.
The bodies of countless Blue 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.
2710
Spawn of Shub-Niggurath (AC 14, MV 240 [land] / 60 [fly], HD 8, Chaotic): a Green batrachian with a feathered hide, 1 eyes, and a circular gaping maw. Its touch causes sickness (lose 1 Con / day until dead).
Village of 348 Yellow Men ruled by a Neutral 11th-level Sorcerer.
2711
Citadel of 71 Dolm Men led by a Chaotic 9th-level Fighter.
Spawn of Shub-Niggurath (AC 14, MV 90, HD 3, Neutral [intelligent]): a Brown ophidioid with a smooth hide, 4 eyes, and no mouth.
2712
3 B'yakhees.
A War-Machine, ancient and blasted; once a terror, now a collection of rust.
2713
A hulking Blue Man (AC 15, MV 120', HD 6, Chaotic) with unusual red hair wields a cursed two handed sword. (This character wields the sword one handed, carrying a shield in the other.) Any character possessing the sword is compelled to eradicate all white men from the world; with each white man they kill their hair turns a darker shade of red. The sword is -1 to hit, but +3 to hit vs. White Men.
8 Triceratops.
2714
Citadel of 107 Jale Men led by "the Illumination of Mercy," a Lawful 6th-level Fighter.
Citadel of 74 Orange Men led by "the Autocrat of Autumn," a Neutral 2nd-level Fighter.
2715
2 Mutant Plesiosaurus (AC 14, MV 150', HD 16, neutral). Feathered Red hide. Covered in spines (when attacked in melee attacker takes a dCarcosa damage and it can throw them like a wyvern). Extremely hot (1 die damage per round to all within 20').
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.
2716
Village of 267 Purple Men ruled by "the Beast of the Bountiful God," a Neutral 7th-level Fighter.
Castle of 51 Jale Men led by "the Glittering Pearl," a Chaotic 8th-level Fighter.