What are some unique cultural traditions in your area?

For context, I myself am an American, but every time I travel, even relatively short distances (within a few hours), I happen upon some unique cultural traditions.

To give an example: in Pittsburgh, weddings often feature a “cookie table” where a multitude of cookies baked by the friends and family of the bride and groom are served. I’m not sure where this tradition came from but it’s so interesting.

What are some unique cultural traditions in your neck of the woods? Where did they originate?