There's a spirituality/retreat center near my home. I typically go there on the Sabats and walk the labrynth. I'll be there tomorrow around (solar) noon to walk the labrynth for Ostara.
Addendum
Do any of my fellow Pagans have any favorite rebirth magic rituals? I usually do a rebirth ritual on my birthday (a reBirthday, really), but it seems that Ostara is a good time for rebirth magic, too.