Lying Liar

One of these things is not like the others, too much Sesame Street?
I was tagged for this meme by meno from meno's blog.

I've made a list of 5 things I've done in my life, one of which is a lie. You get to guess which one is the lie. Please leave your guesses in the comments. I will reveal the truth in a day or so.

1. I vote republican.
   
   
2. Lily magically potty trained herself this week.
   
   
3. I was able to avoid eating way too much chocolate this Halloween.
   
   
4. I have a huge collection of Victoria Secret's underwear and bras.
   
   
5. While in Egypt I climbed inside the pyramids in Giza, the the very core and saw the sarcophagus.

Actually, I lied, only one of the above is true. Can you guess which one?

I am tagging: Kim, Angel, Laura, and you.