Related Article: What's the dirtiest hotel you've ever stayed in? TripAdvisor's top-10 'dirtiest' gives us a clue

We didn't pick 'em -- but the travelers' reviews of these places on TripAdvisor.com were so bad, they made a list. Here's their top 10 dirtiest spots.

1. Heritage Marina Hotel, San Francisco, Calif.

2. Days Inn Eureka/Six Flags, Eureka, Mo.

3. Tropicana Resort Hotel, Virginia Beach, Va.

4. Super 8 Virginia Beach/At the Ocean, Virginia Beach, Va.

5. Quality Inn, Stroudsburg, Pa.

6. New York Inn, New York City, New York

7. Parisian Hotel & Suites, Miami Beach, Fla.

8. Capistrano Seaside Inn, Capistrano Beach, Calif.

9. Desert Lodge, Palm Springs, Calif.

10. Continental Oceanfront Hotel South Beach, Miami Beach, Fla.