You already know that bars are a bad place if you want to find someone who is serious about finding a life partner (anyway, they're usually full of twenty-somethings who'd consider you an antique).
You're doing good works; it's fine if you do them in a few new places to meet a few new faces. But like anything, if you work hard at it, you will succeed.
Meet on Organized Trips Many college or university alumni trips that happen when families can't come—after the school year starts, during winter and spring (but not the summer)—are popular with older singles. You May Also Like: Single and Mingle online community group.
These give you opportunities to meet people who share your interests.
I recently attended a few Read Dating meetings that my local library system sponsored with Perfect Match.com, a site where I serve as a relationship adviser.
Not everyone will be single, of course, but usually, many singles also attend specially announced events.