Emphasizing decay and neglect:
* As desolate as a forgotten graveyard.
* Like a toothless, crumbling jaw jutting towards the sky.
* As silent as a tomb, with dust motes dancing in the sunbeams.
* Like a forgotten relic of a bygone era, draped in cobwebs and grime.
* As empty and hollow as a withered husk.
Emphasizing mystery and intrigue:
* Like a hidden treasure chest, filled with secrets and forgotten stories.
* As enigmatic as a forgotten riddle, waiting to be solved.
* As alluring as a forbidden paradise, with its broken windows and rusted doors.
* Like a haunted castle, whispering tales of a past life.
* As mysterious as a forgotten alleyway, leading to unknown destinations.
Emphasizing the eerie and unsettling:
* As chilling as a deserted asylum, with its echoing emptiness.
* Like a ghostly silhouette, looming against the cityscape.
* As unsettling as a forgotten nightmare, filled with shadows and whispers.
* Like a forgotten playground, where the laughter of children has long since faded.
* As creepy as a haunted house, with its peeling paint and creaking floorboards.
Emphasizing the vastness and emptiness:
* As vast and empty as a desert, stretching endlessly into the horizon.
* Like a cavernous cathedral, echoing with the silence of abandonment.
* As sprawling and empty as a forgotten city, swallowed by the wilderness.
* Like a giant, hollow shell, waiting to be filled with life again.
* As vast and empty as a lost ocean, where no ship has ever sailed.
Remember to choose the simile that best suits your specific description and the overall tone you want to convey.