Near my compost pile, I've been finding all sorts of random plants sprouting up.
Here's a random melon plant of some sort:
Here's a random tomato:
The tomatoes are probably the easiest to identify because of their leaves, fuzzy stems, and distinctive scent. Here's one I found and potted up:
I've actually given about 8 of these random tomato plants to my neighbor, and I have another one potted up in addition to the above. How odd.