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
Poison dirigible fruit (2-12, 1 HP each, AC 7). Bright red, hovering, bobbing up and down gently. When touched in any way they explode in a burst of poison glop: all within melee range must make a Save vs. Death Ray or perish. A poison dirigible fruit tree will grow in the corpse of any characters so slain, and will produce 2d6 dirigible fruit in 1d6 days.
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.
2702
Small inexplicable pond, filled with brightly colored fish. The fish are easily caught and if eaten will grant a temporary +4 HP for the day. The pond and fish will be gone upon return, and attempts to preserve the fish will result in unpleasant smelling mess.
Village of 225 Ulfire Men ruled by a Chaotic 6th-level Fighter.
2703
4 Unquiet Worms.
1 Unquiet Worm.
2704
7 Mutant Trachodon (AC 16, MV 120', HD 11, neutral). Smooth Purple hide. Radioactive (if killed explodes for 2 dice radiation damage to all within 100'). Immune to cold.
Citadel of 109 Black Men led by a Lawful 7th-level Fighter.
2705
11 of the Great Race.
1 Unquiet Worm.
2706
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.
A squat Purple Man Sorcerer (AC 12, MV 90' / 120' \[Flying\], HD 2, Lawful) in flowing robes and an over sized hat is in the process of botching the ritual _The Glyphs of the Ebon Lake_.
2707
Citadel of 78 Blue Men led by a Neutral 10th-level Sorcerer.
Village of 278 Yellow Men ruled by "the Evil Queen," a Chaotic 9-th Level Sorcerer.
2708
4 Mutant Ceratosaurus (AC 16, MV 150', HD 5, neutral). Smooth Orange hide. Eyes glow brightly (Gaze causes confusion).
12 Mutant Pteranodon (AC 14, MV 30' [150' Fly], HD 7, neutral). Suckered Orange hide. Surprised only on a 1. Immune to normal weapons.
2709
A foreboding grey castle sits empty save for its custodian, an Orange Woman 18th-level Sorcerer. The castle is circumscribed by a bottomless chasm. A single bridge leads to its imposing doors shaped in the visage of a skull. The sorcerer will not leave the castle, and is immortal and invulnerable while within its walls. She will aid all those who actively seek to defend Carcosa from the forces of Chaos.
Ancient runes are carved into earth, filled with red clay.
2710
4 Blue Men camp along a dirt road. They are under the control of a mummy brain, which they are transporting to 2416.
Spawn of Shub-Niggurath (AC 13, MV 150 [land] / 150 [swim], HD 4, Chaotic): a Orange anthropoid with a smooth hide, 3 eyes, and a circular gaping maw. Immune to poison.
2711
Spawn of Shub-Niggurath (AC 17, MV 120, HD 7, Chaotic): a Blue avioid with a furred hide, 4 eyes, and a toothed mouth. The creature is extremely cold: 1 die damage per round to all within 20'
Spawn of Shub-Niggurath (AC 17, MV 90, HD 5, Neutral [intelligent]): a Dolm octopoid with a scaled hide, multiple/insectile eyes, and a toothed mouth. Invisible.
2712
Village of 342 Jale Men ruled by a Chaotic 8th-level Spawn of Shub-Niggurath.
A young Yellow Man child weeps alone. He has no possessions save his clothes, and is hungry.
2713
A floating circular platform of Space Alien technology hovers 15' above the ground. 1 in 6 chance to figure out how to operate (intelligence modifier applies, only one attempt per character). Can be moved at a rate of 10' per turn. 3 Bone Men with spears have built a hut on top, and "desert fishing lines" hang from the platform. The Bone Men are extremely xenophobic (reaction roll penalty of 2). One of the Bone Men has 2 sleep gas grenades (as sleep spell but a save versus paralysis applies, 30' blast radius).
Citadel of 19 Brown Men led by a Neutral 11th-level Spawn of Shub-Niggurath.
2714
3 Dolm Worms.
Citadel of 128 Orange Men led by "the Inestimable Totalitor," a Neutral 7th-level Fighter.
2715
Castle of 36 Bone Men who are currently leaderless.
Spawn of Shub-Niggurath (AC 12, MV 60, HD 3, Chaotic): a Green, Purple, White and Orange crustacean with a scaled hide, 6 eyes, and no mouth.
2716
92 Space Aliens.
A Jale Man Sorcerer (AC 16, MV 120', HD 8, Neutral) wearing a Red breast plate sits on a giant Cthulhu shaped throne, alone at the lowest levels of the Cavern of the Time Lords. He may share his knowledge of Carcosa with those who seek him out.