Hiking is the obvious one, but to give myself a reason to get out there more I've been trying to get into bird watching and photography.

Yep, got to think long-term, the hardest part is building a big enough community to make spending time here worthwhile, which is just about there imo. But growing to Reddit size is going to require a lot more features and polish, which I'm sure they're working on, but it's all going to take time.