Top 30 list of most popular Superstitions in America.

1. Knocking on Wood
2. Wishing on a Star
3. Four-Leaf Clover
4. Breaking a Mirror
5. Bad News Comes in Threes
6. Lucky Penny
7. Don't Open An Umbrella Inside
8. Beginner's Luck
9. Crossing Your Fingers for Luck
10. Walking Under a Ladder
11. Bless You
12. The Wishbone
13. Spilled Salt
14. Horseshoes
15. Wishing at 11:11
16. Fortune Cookies
17. Gypsy Curse
18. Rabbit's Foot
19. Black Cat Crossing Your Path
20. Itchy Palms Has to Do with Money
21. The Number 13
22. Voodoo
23. Ears Are Burning
24. Friday the 13th
25. Don't Step on a Crack
26. Dogs Howling at Night
27. How You Start Your Year Is How You Will End It
28. Shoes on the Table
29. Bad Luck to Put a Hat on a Bed
30. Purse on the Floor