Magical Mischievousness

I've been reading the Spiderwick Chronicles this week. It's a children's series about kids who discover a fantastic world of fairies, goblins, and elves in their own backyard. It's been quite fun, but has also gotten me thinking. There have been some strange happenings at the Shaw Manor, which leads me to believe that the Faerie world (as it's called) exists in my own backyard too. Here's the data I've collected so far....

1. Our lawn is multi-shades of green, some shades unnaturally green (emerald almost)
2. New sprouts of grass started growing after we'd shut the sprinklers off for a whole week--makes no sense
3. Our vegetable garden is flourishing, despite Fauf's history of killing plants--makes me think those gnomes in the garden are really doing their jobs
4. Our food seems to disappear quickly from our cupboards--we can't be eating that much so fast
5. I stumbled upon this little house, but no one was home (see picture below). I plan to return and hopefully get some answers from the tenant.