What's the Worst Hotel You Ever Stayed In?

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Most of us have avoided staying in the sort of truly awful, straight-from-a-nightmare hotels that populate our sister site TripAdvisor's Dirtiest Hotels list. In fact, most hotels on that list are so horrible it's hard to believe they stay in business!

But that doesn't mean every other hotel in the world is the Four Seasons, either.

We've all stayed in places that, for whatever reason, left something to be desired. Whether it was poor service, a general lack of cleanliness, or some unwanted four- or six-legged "roommates," these experiences make an indelible mark on our memories.

So what we want to know is, what's the worst hotel you've ever stayed in? What made it so awful? Did you leave early, then go home and write a scathing TripAdvisor review? Or did you tough it out and make the best of a bad situation?

Readers, tell us your stories of hotel woe, and share your tips for dealing with potentially vacation-ruining hotels debacles in the comments below.