With Halloween approaching, Yelp has created list centering on the creepiest areas in the U.S. To determine rankings, the website combed through reviews of cities that contained words such as "ghost" and "haunt." 1. Savannah, Georgia 2. New Orleans, Louisiana 3. Fort Collins, Colorado 4. Santa Cruz, California 5. Las Vegas, Nevada 6. Austin, Texas 7. San Francisco, California 8. Memphis, Tennessee 9. Orlando, Florida 10. Los Angeles, California