Apropos of nothing, here are 12 ideas for modules with one-sentence descriptors. If you like this post, write your own variant.
1. The Tophet of the Giants. A cemetery of tombs for the sacrificed children of an ancient race of giants.
2. The Golem Foundry. A huge underground complex where metal is melted and cast for the creation of different types (copper, iron, gold, etc.) of golem; each step in the process takes place in a different network of chambers, performed by a different type of servitor.
3. The Roc's Nest. A gargantuan bundle of tree trunks and boulders moulded together by a titanic bird; within are giant fleas, ticks and other parasites; insects of any and all different kinds; scavengers and raiders living off leftovers; and the occasional treasure dropped by a victim before being devoured.
4. The Palace of Death. A place where the nobility of a long-lost civilisation would go to be euthanised in various inventive, beautiful, spectacular and horrifying ways; their ghosts haunt the labyrinthine corridors.
5. The Lost World. A tepui on top of which is a remnant of an ancient civilisation or race of monsters.
6. The Leviathans' Graveyard. A remote shore where gargantuan whales go to die; their huge corpses litter the coast, providing shelter to may different inhabitants.
7. The Old Forest. A copse of trees which, when entered, is of vastly greater size than it first appears.
8. The Floating Mass. A huge natural raft of vegetation which has arrive on a coastline, bringing with it strange beings from a distant land.
9. The Temple that Fell Down the Mountain. A high mountaintop temple, long inaccessible to ordinary mortals, has fallen in a landslide, its ancient treasures scattered across the mountainside.
10. The City Descended. A famous floating sky-city has made a hitherto-unprecedented 'landing' due to some emergency or overriding imperative; something has happened to the inhabitants.
11. The Oubliette Unlocked. A great subterranean prison into which an ancient race flung their outcasts and exiles, now rediscovered by miners and accidentally opened.
12. The City of the Mist. A city, long ago cursed to remain permanently shrouded in fog, has had its curse miraculously lifted after centuries - to reveal a place very different to what what was there before.
