|Walking on corn maze, Oregon, 2008 Halloween|
According to wikipedia this festival has roots in the Celtic festival of Samhain and the Christian holy day of all saints, but is today largely is believed to be a secular celebration. People celebrate this festival with many activities which include trick-or-treat, wearing unique and scary costumes, bonfires, visiting haunted attractions etc. Some people also watch horror movies.
I have participated in some of such celebrations in past. We had visited corn maze field as a part of ghost tour in Halloween celebration. In a big corn maze, we walked through interconnected walkways where one can be lost. We walked in groups so that chance of losing friend was low. It was fun.
Next year local people invited international students for bonfires as a part of halooween celebration. This is not very popular during halloween but people do it in some places. Traditionally a bonfire is a controlled outdoor fire used for informal disposal of burnable waste material or as part of a celebration. We burnt firewood in the dark night on a bank of small river in Oregon. It was also fun. You can see the pictures of that event here.