Both ends of the spectrum.

Something I will NEVER, under any circumstances, do: Ride a mule down the Grand Canyon. I trust my own two legs better than their four. Believe me, I've seen those animals trekking down the cliff. It does not look fun at all.

Something I cannot WAIT to do: See Little Mary Sunshine at THS. Really, I'm giddy. I've practically got butterflies just thinking about it! I don't know if anyone loves that show as much as I do.