This isn't very bizarre, but it was the only thing I could think of.

One night I cam home from a friend's house at around 12 o' clock. There weren't any lights in the house, so I assumed that my parents had gone to bed, locked the door, and left the key for me in the garage as usual. When I walked up to the door I noticed it was wide open...! My heart literally stopped for a split second, and I just froze. Naturally I thought that some burgler had broken in to my home, and that he might still was in there. I finally got the courage to step inside to look around. The first room you go in to when you enter my house is the kitchen. I grapped the biggest knife I could find, because I was so scared and I wanted to have something for self protection if a nasty burgler mugged me. Anyway, I grapped the big knife and started walking through all the rooms in the house to be sure that there wasn't somebody hiding anywhere. As I walked through the house I turned all the lights on. I found my way to my foster kid sister's room, and looked in. Everything seemed normal. I walked upstairs to go to my parents bedroom, and saw that everything was as usual. Noone had been in the house, and it turned out that it was my father who had forgotten to close and lock the front door...! Man, I was so scared!