I assumed that the Moon would make the race, although there are just a few votes still.
I would take a trip to the Moon as well. From the Moon you can see the Earth amazingly close with your naked eyes, especially the night shadow. Also, it is just a short trip to the Moon. My second target would be Mars, if we'd had the technology to travel to Mars within just a very few weeks. Mars looks just so much more beautiful than the Moon. It almost looks like an earthly desert. And you get a day length that is almost equal to the earths day length. If terraforming would work (and if the temperature changes within one day would not differ that much), Mars would become the second most beautiful body to live on within this solar system I think.
That's it. I'm not interested in planets that are liquid/hot and which have a "too strong" graviation so that landing and living is impossible.